FIND

researchers

DISCOVER

relevant articles

PROMOTE

your research

now for free

Mark Geyer

Research Profile

Disorders

Living Beings

Procedures

Acoustic Stimulation

Activities & Behaviors

Physiology

Concepts & Ideas

Drug Dose Response Relationship

Chemicals & Drugs

Co-author Network

Publications

TOP 3
Adam L Halberstadt; Susan B Powell; Mark A Geyer
Role of the 5-HT2A receptor in the locomotor hyperactivity produced by phenylalkylamine hallucinogens in mice.
Jordy van Enkhuizen; Mark A Geyer; Klaas Kooistra; Jared W Young
Chronic valproate attenuates some, but not all, facets of mania-like behaviour in mice.
Jared W Young; Jessica M Meves; Mark A Geyer
Nicotinic agonist-induced improvement of vigilance in mice in the 5-choice continuous performance test.

Register for free to view:

Visualized networks:

See your personal network in
sophisticated graphical views

GeoTargeted Searches:

Locate experts around the world
and connect with global collaborators

Research Profiles:

See the research activity
of experts around the globe

Geonetwork of Mark Geyer (preview)

Cities where this author has publications
Cities where co-authors of this author have publications

Flash Player Required

All Publications

2013: Adam L Halberstadt; Susan B Powell; Mark A Geyer
Role of the 5-HT2A receptor in the locomotor hyperactivity produced by phenylalkylamine hallucinogens in mice.
Neuropharmacology 2013;70():218-27.
2013: Jordy van Enkhuizen; Mark A Geyer; Klaas Kooistra; Jared W Young
Chronic valproate attenuates some, but not all, facets of mania-like behaviour in mice.
The international journal of neuropsychopharmacology / official scientific journal of the Collegium Internationale Neuropsychopharmacologicum (CINP) 2013;16(5):1021-31.
2013: Jared W Young; Jessica M Meves; Mark A Geyer
Nicotinic agonist-induced improvement of vigilance in mice in the 5-choice continuous performance test.
Behavioural brain research 2013;240():119-33.
2013: Jordy van Enkhuizen; Mark A Geyer; Jared W Young
Differential effects of dopamine transporter inhibitors in the rodent Iowa gambling task: relevance to mania.
Psychopharmacology 2013;225(3):661-74.
2013: Dominique H Holstein; Franz Vollenweider; Nadine Belser; Philipp Csomor; Mark A Geyer; Dominique Eich
Sensory and sensorimotor gating in adult attention-deficit/hyperactivity disorder (ADHD).
Psychiatry research 2013;205(1-2):117-26.
2013: Brook L Henry; Arpi Minassian; William Perry; Jared W Young; Mahalah Buell; Mark A Geyer
Behavioral effects of chronic methamphetamine treatment in HIV-1 gp120 transgenic mice.
Behavioural brain research 2013;236(1):210-20.
2012: Mark A Geyer; Marian Joëls; Berend Olivier; René S Kahn
From antipsychotic to anti-schizophrenia drugs: role of animal models.
Trends in pharmacological sciences 2012;33(10):515-21.
2012: Dean T Acheson; Mark A Geyer; Martin P Paulus; Murray B Stein; Victoria B Risbrough
The effect of pregabalin on sensorimotor gating in 'low' gating humans and mice.
Neuropharmacology 2012;63(3):480-5.
2012: Shoji Tanaka; Jared W Young; Adam L Halberstadt; Virginia L Masten; Mark A Geyer
Four factors underlying mouse behavior in an open field.
Behavioural brain research 2012;233(1):55-61.
2012: Adam L Halberstadt; Diana L Price; Mahálah R Buell; Mark A Geyer
Differences in the locomotor-activating effects of indirect serotonin agonists in habituated and non-habituated rats.
Pharmacology, biochemistry, and behavior 2012;102(1):88-94.
2012: Adam L Halberstadt; David E Nichols; Mark A Geyer
Behavioral effects of α,α,β,β-tetradeutero-5-MeO-DMT in rats: comparison with 5-MeO-DMT administered in combination with a monoamine oxidase inhibitor.
Psychopharmacology 2012;221(4):709-18.
2012: Jared W Young; Susan B Powell; Mark A Geyer
Mouse pharmacological models of cognitive disruption relevant to schizophrenia.
Neuropharmacology 2012;62(3):1381-90.
2012: Jared W Young; Nurith Amitai; Mark A Geyer
Behavioral animal models to assess pro-cognitive treatments for schizophrenia.
Handbook of experimental pharmacology 2012;(213):39-79.
2012: Neal R Swerdlow; Richard L Saint Marie; Jody M Shoemaker; Karen E Stevens; Michelle R Breier; Mark A Geyer; Gregory A Light; Alaina C Neary; Susan B Powell
Sensory and sensorimotor gating deficits after neonatal ventral hippocampal lesions in rats.
Developmental neuroscience 2012;34(2-3):240-9.
2012: Susan B Powell; Martin Weber; Mark A Geyer
Genetic models of sensorimotor gating: relevance to neuropsychiatric disorders.
Current topics in behavioral neurosciences 2012;12():251-318.
2011: Stephen R Marder; Bita Moghaddam; Eric J Nestler; Bryan Roth; Akira Saw; Edward M Scolnick; Patrick F Sullivan; Daniel R Welnberger; Akira Sawa; Schahram Akbarian; John A Allen; Robert W Buchanan; Brian Campbell; Marc G Caron; P Jeffrey Conn; Susan R George; Mark A Geyer; Jay A Gingrich; Alessandro Guidotti; Stephen J Haggarty; Maria Karayiorgou; John H Krystal; Amanda J Law; Jeffrey A Lieberman; Michelle Solis
Advancing drug discovery for schizophrenia.
Annals of the New York Academy of Sciences 2011;1236():30-43.
2011: J W Young; S Caldwell; J M Meves; I S Tarantino; Mark A Geyer
Delayed procedural learning in α7-nicotinic acetylcholine receptor knockout mice.
Genes, brain, and behavior 2011;10(7):720-33.
2011: Jared W Young; Brook L Henry; Mark A Geyer
Predictive animal models of mania: hits, misses and future directions.
British journal of pharmacology 2011;164(4):1263-84.
2011: Jared W Young; Susan B Powell; Christine N Scott; Xianjin Zhou; Mark A Geyer
The effect of reduced dopamine D4 receptor expression in the 5-choice continuous performance task: Separating response inhibition from premature responding.
Behavioural brain research 2011;222(1):183-92.
2011: Adam L Halberstadt; Mark A Geyer
Multiple receptors contribute to the behavioral effects of indoleamine hallucinogens.
Neuropharmacology 2011;61(3):364-81.
2011: Jared W Young; Jordy van Enkhuizen; Catharine A Winstanley; Mark A Geyer
Increased risk-taking behavior in dopamine transporter knockdown mice: further support for a mouse model of mania.
Journal of psychopharmacology (Oxford, England) 2011;25(7):934-43.
2011: Jared W Young; Klaas Kooistra; Mark A Geyer
Dopamine receptor mediation of the exploratory/hyperactivity effects of modafinil.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2011;36(7):1385-96.
2011: Brook L Henry; Arpi Minassian; Mandy van Rhenen; Jared W Young; Mark A Geyer; William Perry
Effect of methamphetamine dependence on inhibitory deficits in a novel human open-field paradigm.
Psychopharmacology 2011;215(4):697-707.
2011: Isadore S Tarantino; Richard F Sharp; Mark A Geyer; Jessica M Meves; Jared W Young
Working memory span capacity improved by a D2 but not D1 receptor family agonist.
Behavioural brain research 2011;219(2):181-8.
2011: Adam L Halberstadt; Virginia Lehmann-Masten; Mark A Geyer; Susan B Powell
Interactive effects of mGlu5 and 5-HT2A receptors on locomotor activity in mice.
Psychopharmacology 2011;215(1):81-92.
2011: Sameh S Ali; Jared W Young; Chelsea K Wallace; Jodi E Gresack; Dilip V Jeste; Mark A Geyer; Laura L Dugan; Victoria B Risbrough
Initial evidence linking synaptic superoxide production with poor short-term memory in aged mice.
Brain research 2011;1368():65-70.
2011: Arpi Minassian; Mark A Geyer; Brook L Henry; Virginia Masten; Jared W Young; William Perry
Repeated assessment of exploration and novelty seeking in the human behavioral pattern monitor in bipolar disorder patients and healthy individuals.
PloS one 2011;6(8):e24185.
2011: Shoji Tanaka; Jared W Young; Mark A Geyer; Jodi E Gresack; Victoria B Risbrough
Factor analysis of attentional set-shifting performance in young and aged mice.
Behavioral and brain functions : BBF 2011;7():33.
2011: Shinjae Chung; James D Belluzzi; Mahalah Buell; Mark A Geyer; Peter Hesseling; Gerard J M Martens; Ruben W M van Vugt; Michel M M Verheij; Olivier Civelli
The melanin-concentrating hormone (MCH) system modulates behaviors associated with psychiatric disorders.
PloS one 2011;6(7):e19286.
2011: S M Kurian; H Le-Niculescu; S D Patel; D Bertram; J Davis; C Dike; N Yehyawi; P Lysaker; J Dustin; M Caligiuri; J Lohr; D K Lahiri; J I Nurnberger; S V Faraone; Mark A Geyer; M T Tsuang; Nicholas J Schork; Daniel R Salomon; A B Niculescu
Identification of blood biomarkers for psychosis using convergent functional genomics.
Molecular psychiatry 2011;16(1):37-58.
2010: Svetlana Semenova; Daniel Hoyer; Mark A Geyer; Athina Markou
Somatostatin-28 modulates prepulse inhibition of the acoustic startle response, reward processes and spontaneous locomotor activity in rats.
Neuropeptides 2010;44(5):421-9.
2010: Brook L Henry; Arpi Minassian; Jared W Young; Martin P Paulus; Mark A Geyer; William Perry
Cross-species assessments of motor and exploratory behavior related to bipolar disorder.
Neuroscience and biobehavioral reviews 2010;34(8):1296-306.
2010: Jared W Young; Andrew K L Goey; Arpi Minassian; William Perry; Martin P Paulus; Mark A Geyer
The mania-like exploratory profile in genetic dopamine transporter mouse models is diminished in a familiar environment and reinstated by subthreshold psychostimulant administration.
Pharmacology, biochemistry, and behavior 2010;96(1):7-15.
2010: X Zhou; Q Chen; K Schaukowitch; John R Kelsoe; Mark A Geyer
Insoluble DISC1-Boymaw fusion proteins generated by DISC1 translocation.
Molecular psychiatry 2010;15(7):669-72.
2010: William Perry; Arpi Minassian; Brook Henry; Meegin Kincaid; Jared W Young; Mark A Geyer
Quantifying over-activity in bipolar and schizophrenia patients in a human open field paradigm.
Psychiatry research 2010;178(1):84-91.
2010: Jared W Young; Susan B Powell; Mark A Geyer; Dilip V Jeste; Victoria B Risbrough
The mouse attentional-set-shifting task: a method for assaying successful cognitive aging?
Cognitive, affective & behavioral neuroscience 2010;10(2):243-51.
2010: Jodi E Gresack; Victoria B Risbrough; Christine N Scott; Sarah Coste; Mary P Stenzel-Poore; Mark A Geyer; Susan B Powell
Isolation rearing-induced deficits in contextual fear learning do not require CRF(2) receptors.
Behavioural brain research 2010;209(1):80-4.
2010: Jared W Young; Mark A Geyer
Action of modafinil--increased motivation via the dopamine transporter inhibition and D1 receptors?
Biological psychiatry 2010;67(8):784-7.
2010: Wei-Li Chang; Mark A Geyer; Mahalah R Buell; Martin Weber; Neal R Swerdlow
The effects of pramipexole on prepulse inhibition and locomotor activity in C57BL/6J mice.
Behavioural pharmacology 2010;21(2):135-43.
2010: Jared W Young; Chelsea K Wallace; Mark A Geyer; Victoria B Risbrough
Age-associated improvements in cross-modal prepulse inhibition in mice.
Behavioral neuroscience 2010;124(1):133-40.
2010: Jared W Young; Andrew K L Goey; Arpi Minassian; William Perry; Martin P Paulus; Mark A Geyer
GBR 12909 administration as a mouse model of bipolar disorder mania: mimicking quantitative assessment of manic behavior.
Psychopharmacology 2010;208(3):443-54.
2010: Adam L Halberstadt; Mark A Geyer
LSD but not lisuride disrupts prepulse inhibition in rats by activating the 5-HT(2A) receptor.
Psychopharmacology 2010;208(2):179-89.
2010: Brook L Henry; Arpi Minassian; Martin P Paulus; Mark A Geyer; William Perry
Heart rate variability in bipolar mania and schizophrenia.
Journal of psychiatric research 2010;44(3):168-76.
2010: Jared W Young; Xianjin Zhou; Mark A Geyer
Animal models of schizophrenia.
Current topics in behavioral neurosciences 2010;4():391-433.
2010: Arpi Minassian; Brook L Henry; Mark A Geyer; Martin P Paulus; Jared W Young; William Perry
The quantitative assessment of motor activity in mania and schizophrenia.
Journal of affective disorders 2010;120(1-3):200-6.
2009: Susan B Powell; Xianjin Zhou; Mark A Geyer
Prepulse inhibition and genetic mouse models of schizophrenia.
Behavioural brain research 2009;204(2):282-94.
2009: Hugh M Marston; Jared W Young; Frederic D C Martin; Kevin A Serpa; Christopher L Moore; Erik H F Wong; Lisa Gold; Leonard T Meltzer; Marc R Azar; Mark A Geyer; Mohammed Shahid
Asenapine effects in animal models of psychosis and cognitive function.
Psychopharmacology 2009;206(4):699-714.
2009: Go Suzuki; Kathryn M Harper; Takeshi Hiramoto; Birgit Funke; MoonSook Lee; Gina Kang; Mahalah Buell; Mark A Geyer; Raju Kucherlapati; Bernice E Morrow; Pekka T Männistö; Soh Agatsuma; Noboru Hiroi
Over-expression of a human chromosome 22q11.2 segment including TXNRD2, COMT and ARVCF developmentally affects incentive learning and working memory in mice.
Human molecular genetics 2009;18(20):3914-25.
2009: William Perry; Arpi Minassian; Martin P Paulus; Jared W Young; Meegin J Kincaid; Eliza J Ferguson; Brook L Henry; Xiaoxi Zhuang; Virginia L Masten; Richard F Sharp; Mark A Geyer
A reverse-translational study of dysfunctional exploration in psychiatric disorders: from mice to men.
Archives of general psychiatry 2009;66(10):1072-80.
2009: Vikas Duvvuri; Victoria B Risbrough; Walter H Kaye; Mark A Geyer
5-HT1A receptor activation is necessary for 5-MeODMT-dependent potentiation of feeding inhibition.
Pharmacology, biochemistry, and behavior 2009;93(3):349-53.
2009: Catharine H Rankin; Thomas W Abrams; Robert J Barry; Seema Bhatnagar; David F Clayton; John Colombo; Gianluca Coppola; Mark A Geyer; David L Glanzman; Stephen Marsland; Frances K McSweeney; Donald A Wilson; Chun-Fang Wu; Richard F Thompson
Habituation revisited: an updated and revised description of the behavioral characteristics of habituation.
Neurobiology of learning and memory 2009;92(2):135-8.
2009: Adam L Halberstadt; Mark A Geyer
Habituation and sensitization of acoustic startle: opposite influences of dopamine D1 and D2-family receptors.
Neurobiology of learning and memory 2009;92(2):243-8.
2009: Adam L Halberstadt; Iris van der Heijden; Michael A Ruderman; Victoria B Risbrough; Jay A Gingrich; Mark A Geyer; Susan B Powell
5-HT(2A) and 5-HT(2C) receptors exert opposing effects on locomotor activity in mice.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2009;34(8):1958-67.
2009: Jared W Young; Susan B Powell; Victoria Risbrough; Hugh M Marston; Mark A Geyer
Using the MATRICS to guide development of a preclinical cognitive test battery for research in schizophrenia.
Pharmacology & therapeutics 2009;122(2):150-202.
2009: Go Suzuki; Kathryn M Harper; Takeshi Hiramoto; Takehito Sawamura; MoonSook Lee; Gina Kang; Kenji Tanigaki; Mahalah Buell; Mark A Geyer; William S Trimble; Soh Agatsuma; Noboru Hiroi
Sept5 deficiency exerts pleiotropic influence on affective behaviors and cognitive functions in mice.
Human molecular genetics 2009;18(9):1652-60.
2009: Victoria B Risbrough; Mark A Geyer; Richard L Hauger; Sarah C Coste; Mary P Stenzel-Poore; Wolfgang Wurst; Florian Holsboer
CRF1 and CRF2 receptors are required for potentiated startle to contextual but not discrete cues.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2009;34(6):1494-503.
2009: Nancy A Shanahan; Kerri A Holick Pierz; Virginia L Masten; Christian Waeber; Mark Ansorge; Jay A Gingrich; Mark A Geyer; Rene Hen; Stephanie C Dulawa
Chronic reductions in serotonin transporter function prevent 5-HT1B-induced behavioral effects in mice.
Biological psychiatry 2009;65(5):401-8.
2009: Xianjin Zhou; Wei Tang; Tiffany A Greenwood; Shengzhen Guo; Lin He; Mark A Geyer; John R Kelsoe
Transcription factor SP4 is a susceptibility gene for bipolar disorder.
PloS one 2009;4(4):e5196.
2009: Jared W Young; Gregory A Light; Hugh M Marston; Richard Sharp; Mark A Geyer
The 5-choice continuous performance test: evidence for a translational test of vigilance for mice.
PloS one 2009;4(1):e4227.
2009: Deanna M Barch; Cameron S Carter; Amy Arnsten; Robert W Buchanan; Jonathan D Cohen; Mark A Geyer; Michael F Green; John H Krystal; Keith Nuechterlein; Trevor W Robbins; Steven Silverstein; Edward E Smith; Milton Strauss; Til Wykes; Robert Heinssen
Selecting paradigms from cognitive neuroscience for translation into use in clinical trials: proceedings of the third CNTRICS meeting.
Schizophrenia bulletin 2009;35(1):109-14.
2009: Michael F Green; Pamela D Butler; Yue Chen; Mark A Geyer; Steven Silverstein; Jonathan K Wynn; Jong Yoon; Vance Zemon
Perception measurement in clinical trials of schizophrenia: promising paradigms from CNTRICS.
Schizophrenia bulletin 2009;35(1):163-81.
2009: Athina Markou; Christian Chiamulera; Mark A Geyer; Mark Tricklebank; Thomas Steckler
Removing obstacles in neuroscience drug discovery: the future path for animal models.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2009;34(1):74-89.
2008: Adam L Halberstadt; Mahalah R Buell; Virginia L Masten; Victoria B Risbrough; Mark A Geyer
Modification of the effects of 5-methoxy-N,N-dimethyltryptamine on exploratory behavior in rats by monoamine oxidase inhibitors.
Psychopharmacology 2008;201(1):55-66.
2008: Veena Kumari; Dominic Fannon; Mark A Geyer; Preethi Premkumar; Elena Antonova; Andrew Simmons; Elizabeth Kuipers
Cortical grey matter volume and sensorimotor gating in schizophrenia.
Cortex; a journal devoted to the study of the nervous system and behavior 2008;44(9):1206-14.
2008: James M Doherty; Virginia L Masten; Susan B Powell; RJ Ralph; Daniel Klamer; Malcolm J Low; Mark A Geyer
Contributions of dopamine D1, D2, and D3 receptor subtypes to the disruptive effects of cocaine on prepulse inhibition in mice.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2008;33(11):2648-56.
2008: Mark A Geyer; Franz Vollenweider
Serotonin research: contributions to understanding psychoses.
Trends in pharmacological sciences 2008;29(9):445-53.
2008: Susan B Powell; Jared W Young; Jacob C Ong; Marc G Caron; Mark A Geyer
Atypical antipsychotics clozapine and quetiapine attenuate prepulse inhibition deficits in dopamine transporter knockout mice.
Behavioural pharmacology 2008;19(5-6):562-5.
2008: Mark A Geyer
Developing translational animal models for symptoms of schizophrenia or bipolar mania.
Neurotoxicity research 2008;14(1):71-8.
2008: Sietse Jonkman; Victoria B Risbrough; Mark A Geyer; Athina Markou
Spontaneous nicotine withdrawal potentiates the effects of stress in rats.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2008;33(9):2131-8.
2008: Kristiina Kask; Maria Gulinello; Torbjörn Bäckström; Mark A Geyer; Inger Sundström-Poromaa
Patients with premenstrual dysphoric disorder have increased startle response across both cycle phases and lower levels of prepulse inhibition during the late luteal phase of the menstrual cycle.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2008;33(9):2283-90.
2008: Cameron S Carter; Deanna M Barch; Robert W Buchanan; Ed Bullmore; John H Krystal; Jonathan Cohen; Mark A Geyer; Michael Green; Keith H Nuechterlein; Trevor W Robbins; Steven Silverstein; Edward E Smith; Milton Strauss; Til Wykes; Robert Heinssen
Identifying cognitive mechanisms targeted for treatment development in schizophrenia: an overview of the first meeting of the Cognitive Neuroscience Treatment Research to Improve Cognition in Schizophrenia Initiative.
Biological psychiatry 2008;64(1):4-10.
2008: Veena Kumari; Elena Antonova; Mark A Geyer
Prepulse inhibition and "psychosis-proneness" in healthy individuals: an fMRI study.
European psychiatry : the journal of the Association of European Psychiatrists 2008;23(4):274-80.
2008: X Zhou; Mark A Geyer; John R Kelsoe
Does disrupted-in-schizophrenia (DISC1) generate fusion transcripts?
Molecular psychiatry 2008;13(4):361-3.
2008: Helen Le-Niculescu; M J McFarland; Corey A Ogden; Y Balaraman; S Patel; J Tan; Zachary A Rodd; M Paulus; Mark A Geyer; Howard J Edenberg; S J Glatt; Stephen Faraone; J I Nurnberger; Ronald Kuczenski; Ming T Tsuang; Alexander Niculescu
Phenomic, convergent functional genomic, and biomarker studies in a stress-reactive genetic animal model of bipolar disorder and co-morbid alcoholism.
American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics 2008;147B(2):134-66.
2008: Philipp Csomor; Renée R Stadler; Joram Feldon; Benjamin K Yee; Mark A Geyer; Franz Vollenweider
Haloperidol differentially modulates prepulse inhibition and p50 suppression in healthy humans stratified for low and high gating levels.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2008;33(3):497-512.
2008: Svetlana Semenova; Mark A Geyer; J Gregor Sutcliffe; Athina Markou; Peter B Hedlund
Inactivation of the 5-HT(7) receptor partially blocks phencyclidine-induced disruption of prepulse inhibition.
Biological psychiatry 2008;63(1):98-105.
2007: Mark A Geyer; Carol A Tamminga
Wayne Fenton's impact on academic neuroscience.
Schizophrenia bulletin 2007;33(5):1156-9.
2007: Franz Vollenweider; Philipp Csomor; Bernhard Knappe; Mark A Geyer; Boris B Quednow
The effects of the preferential 5-HT2A agonist psilocybin on prepulse inhibition of startle in healthy human volunteers depend on interstimulus interval.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2007;32(9):1876-87.
2007: Veena Kumari; Elena Antonova; Mark A Geyer; Dominic H Ffytche; steven williams; Tonmoy Sharma
A fMRI investigation of startle gating deficits in schizophrenia patients treated with typical or atypical antipsychotics.
The international journal of neuropsychopharmacology / official scientific journal of the Collegium Internationale Neuropsychopharmacologicum (CINP) 2007;10(4):463-77.
2007: M K Harte; S B Powell; N R Swerdlow; Mark A Geyer; Gavin Reynolds
Deficits in parvalbumin and calbindin immunoreactive cells in the hippocampus of isolation reared rats.
Journal of neural transmission (Vienna, Austria : 1996) 2007;114(7):893-8.
2007: Karsten Heekeren; Anna Neukirch; Joerg Daumann; Martina Stoll; Maja Obradovic; Karl-Artur Kovar; Mark A Geyer; Euphrosyne Gouzoulis-Mayfrank
Prepulse inhibition of the startle reflex and its attentional modulation in the human S-ketamine and N,N-dimethyltryptamine (DMT) models of psychosis.
Journal of psychopharmacology (Oxford, England) 2007;21(3):312-20.
2007: Susan B Powell; Mark A Geyer
Overview of animal models of schizophrenia.
Current protocols in neuroscience / editorial board, Jacqueline N. Crawley ... [et al.] 2007;Chapter 9():Unit 9.24.
2007: X Zhou; Y Qyang; John R Kelsoe; Eliezer Masliah; Mark A Geyer
Impaired postnatal development of hippocampal dentate gyrus in Sp4 null mutant mice.
Genes, brain, and behavior 2007;6(3):269-76.
2007: Helen Le-Niculescu; Y Balaraman; S Patel; J Tan; K Sidhu; Ronald E Jerome; Howard J Edenberg; Ronald Kuczenski; Mark A Geyer; J I Nurnberger; Stephen Faraone; Ming T Tsuang; Alexander Niculescu
Towards understanding the schizophrenia code: an expanded convergent functional genomics approach.
American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics 2007;144B(2):129-58.
2007: Christiaan H Vinkers; Victoria B Risbrough; Mark A Geyer; Sorana Caldwell; Malcolm J Low; Richard L Hauger
Role of dopamine D1 and D2 receptors in CRF-induced disruption of sensorimotor gating.
Pharmacology, biochemistry, and behavior 2007;86(3):550-8.
2007: Kathryn M Abel; Matthew P G Allin; Therese van Amelsvoort; David R Hemsley; Mark A Geyer
The indirect serotonergic agonist d-fenfluramine and prepulse inhibition in healthy men.
Neuropharmacology 2007;52(4):1088-94.
2007: Jared W Young; Arpi Minassian; Martin P Paulus; Mark A Geyer; William Perry
A reverse-translational approach to bipolar disorder: rodent and human studies in the Behavioral Pattern Monitor.
Neuroscience and biobehavioral reviews 2007;31(6):882-96.
2006: Mark A Geyer
The family of sensorimotor gating disorders: comorbidities or diagnostic overlaps?
Neurotoxicity research 2006;10(3-4):211-20.
2006: Kirsten Krebs-Thomson; Erbert M Ruiz; Virginia Masten; Mahalah Buell; Mark A Geyer
The roles of 5-HT1A and 5-HT2 receptors in the effects of 5-MeO-DMT on locomotor activity and prepulse inhibition in rats.
Psychopharmacology 2006;189(3):319-29.
2006: Jennifer E McDowell; Gregory G Brown; Nicole Lazar; Jazmin Camchong; Richard Sharp; Kirsten Krebs-Thomson; Lisa T Eyler; David L Braff; Mark A Geyer
The neural correlates of habituation of response to startling tactile stimuli presented in a functional magnetic resonance imaging environment.
Psychiatry research 2006;148(1):1-10.
2006: Victoria B Risbrough; Virginia L Masten; Sorana Caldwell; Martin P Paulus; Malcolm J Low; Mark A Geyer
Differential contributions of dopamine D1, D2, and D3 receptors to MDMA-induced effects on locomotor behavior patterns in mice.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2006;31(11):2349-58.
2006: Alasdair M Barr; Susan B Powell; Athina Markou; Mark A Geyer
Iloperidone reduces sensorimotor gating deficits in pharmacological models, but not a developmental model, of disrupted prepulse inhibition in rats.
Neuropharmacology 2006;51(3):457-65.
2006: Bob Oranje; Mark A Geyer; Koen B E Bocker; J Leon Kenemans; Marinus N Verbaten
Prepulse inhibition and P50 suppression: commonalities and dissociations.
Psychiatry research 2006;143(2-3):147-58.
2006: Holly Moore; J David Jentsch; Mehdi Ghajarnia; Mark A Geyer; Anthony A Grace
A neurobehavioral systems analysis of adult rats exposed to methylazoxymethanol acetate on E17: implications for the neuropathology of schizophrenia.
Biological psychiatry 2006;60(3):253-64.
2006: Kimberly E Vanover; David M Weiner; Malath Makhay; isaac veinbergs; Luis R Gardell; Jelveh Lameh; Andria L Del Tredici; Fabrice Piu; Hans H Schiffer; Thomas R Ott; Ethan S Burstein; Allan K Uldam; Mikkel B Thygesen; Nathalie Schlienger; Carl Magnus Andersson; Thomas Y Son; Scott C Harvey; Susan B Powell; Mark A Geyer; Bo-Ragnar Tolf; Mark R Brann; Robert E Davis
Pharmacological and behavioral profile of N-(4-fluorophenylmethyl)-N-(1-methylpiperidin-4-yl)-N'-(4-(2-methylpropyloxy)phenylmethyl) carbamide (2R,3R)-dihydroxybutanedioate (2:1) (ACP-103), a novel 5-hydroxytryptamine(2A) receptor inverse agonist.
The Journal of pharmacology and experimental therapeutics 2006;317(2):910-8.
2006: Geoffrey Varty; Susan B Powell; Virginia Lehmann-Masten; Mahalah R Buell; Mark A Geyer
Isolation rearing of mice induces deficits in prepulse inhibition of the startle response.
Behavioural brain research 2006;169(1):162-7.
2006: Peggy Postma; Jeffrey A Gray; Tonmoy Sharma; Mark A Geyer; Ravi Mehrotra; Mrigendra Das; Elizabeth Zachariah; Melissa Hines; steven williams; Veena Kumari
A behavioural and functional neuroimaging investigation into the effects of nicotine on sensorimotor gating in healthy subjects and persons with schizophrenia.
Psychopharmacology 2006;184(3-4):589-99.
2006: Neal R Swerdlow; Mark A Geyer; Jody M Shoemaker; Gregory A Light; David L Braff; Karen E Stevens; Richard Sharp; Michelle Breier; Alaina C Neary; Pamela P Auerbach
Convergence and divergence in the neurochemical regulation of prepulse inhibition of startle and N40 suppression in rats.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2006;31(3):506-15.
2006: Mark A Geyer
Are cross-species measures of sensorimotor gating useful for the discovery of procognitive cotreatments for schizophrenia?
Dialogues in clinical neuroscience 2006;8(1):9-16.
2005: Jacob C Ong; Suzanne A Brody; Charles H Large; Mark A Geyer
An investigation of the efficacy of mood stabilizers in rodent models of prepulse inhibition.
The Journal of pharmacology and experimental therapeutics 2005;315(3):1163-71.
2005: Mark A Geyer; Robert K Heinssen
New approaches to measurement and treatment research to improve cognition in schizophrenia.
Schizophrenia bulletin 2005;31(4):806-9.
2005: Stan B Floresco; Mark A Geyer; Lisa H Gold; Anthony A Grace
Developing predictive animal models and establishing a preclinical trials network for assessing treatment effects on cognition in schizophrenia.
Schizophrenia bulletin 2005;31(4):888-94.
2005: Susan B Powell; Javier Palomo; Barbara S Carasso; Vaishali P Bakshi; Mark A Geyer
Yohimbine disrupts prepulse inhibition in rats via action at 5-HT1A receptors, not alpha2-adrenoceptors.
Psychopharmacology 2005;180(3):491-500.
2005: Reinoud de Jongh; Mark A Geyer; Berend Olivier; Lucianne Groenink
The effects of sex and neonatal maternal separation on fear-potentiated and light-enhanced startle.
Behavioural brain research 2005;161(2):190-6.
2005: Suzanne A Brody; Nobuki Nakanishi; Shichun Tu; Stuart A Lipton; Mark A Geyer
A developmental influence of the N-methyl-D-aspartate receptor NR3A subunit on prepulse inhibition of startle.
Biological psychiatry 2005;57(10):1147-52.
2005: X Zhou; J M Long; Mark A Geyer; Eliezer Masliah; John R Kelsoe; A Wynshaw-Boris; K R Chien
Reduced expression of the Sp4 gene in mice causes deficits in sensorimotor gating and memory associated with hippocampal vacuolization.
Molecular psychiatry 2005;10(4):393-406.
2005: Ulrich Meincke; Gregory A Light; Mark A Geyer; David L Braff
On the waveform of the acoustic startle blink in the paradigm of prepulse inhibition - methodological and physiological aspects.
Neuropsychobiology 2005;52(1):24-7.
2005: Stephan Ludewig; Mark A Geyer; Marcel Ramseier; Franz Vollenweider; Evelyne Rechsteiner; Katja Cattapan-Ludewig
Information-processing deficits and cognitive dysfunction in panic disorder.
Journal of psychiatry & neuroscience : JPN 2005;30(1):37-43.
2005: Victoria B Risbrough; Mark A Geyer
Anxiogenic treatments do not increase fear-potentiated startle in mice.
Biological psychiatry 2005;57(1):33-43.
2004: Ulrich Meincke; Dina Mörth; Tatjana Voss; Bernhard Thelen; Mark A Geyer; Euphrosyne Gouzoulis-Mayfrank
Prepulse inhibition of the acoustically evoked startle reflex in patients with an acute schizophrenic psychosis--a longitudinal study.
European archives of psychiatry and clinical neuroscience 2004;254(6):415-21.
2004: C A Ogden; M E Rich; N J Schork; M P Paulus; Mark A Geyer; James B Lohr; Ronald Kuczenski; Alexander Niculescu
Candidate genes, pathways and mechanisms for bipolar (manic-depressive) and related disorders: an expanded convergent functional genomics approach.
Molecular psychiatry 2004;9(11):1007-29.
2004: Michael K Harte; Susan B Powell; Lindsay M Reynolds; Neal R Swerdlow; Mark A Geyer; Gavin Reynolds
Reduced N-acetylaspartate in the temporal cortex of rats reared in isolation.
Biological psychiatry 2004;56(4):296-9.
2004: Sophie Erhardt; Lilly Schwieler; Carolina Emanuelsson; Mark A Geyer
Endogenous kynurenic acid disrupts prepulse inhibition.
Biological psychiatry 2004;56(4):255-60.
2004: Victoria B Risbrough; Richard L Hauger; Amanda L Roberts; Wylie W Vale; Mark A Geyer
Corticotropin-releasing factor receptors CRF1 and CRF2 exert both additive and opposing influences on defensive startle behavior.
The Journal of neuroscience : the official journal of the Society for Neuroscience 2004;24(29):6545-52.
2004: Susan B Powell; Mark A Geyer; David Gallagher; Martin P Paulus
The balance between approach and avoidance behaviors in a novel object exploration paradigm in mice.
Behavioural brain research 2004;152(2):341-9.
2004: Kathryn M Abel; S Jolley; David R Hemsley; Mark A Geyer
The influence of schizotypy traits on prepulse inhibition in young healthy controls.
Journal of psychopharmacology (Oxford, England) 2004;18(2):181-8.
2004: Susan B Powell; Virginia Lehmann-Masten; Martin P Paulus; Raul R Gainetdinov; Marc G Caron; Mark A Geyer
MDMA "ecstasy" alters hyperactive and perseverative behaviors in dopamine transporter knockout mice.
Psychopharmacology 2004;173(3-4):310-7.
2004: Karsten Heekeren; Joerg Daumann; Mark A Geyer; Euphrosyne Gouzoulis-Mayfrank
Plasticity of the acoustic startle reflex in currently abstinent ecstasy (MDMA) users.
Psychopharmacology 2004;173(3-4):418-24.
2004: Ulrich Meincke; Gregory A Light; Mark A Geyer; David L Braff; Euphrosyne Gouzoulis-Mayfrank
Sensitization and habituation of the acoustic startle reflex in patients with schizophrenia.
Psychiatry research 2004;126(1):51-61.
2004: Suzanne A Brody; F Conquet; Mark A Geyer
Effect of antipsychotic treatment on the prepulse inhibition deficit of mGluR5 knockout mice.
Psychopharmacology 2004;172(2):187-95.
2004: Alasdair M Barr; Virginia Lehmann-Masten; Martin Paulus; Raul R Gainetdinov; Marc G Caron; Mark A Geyer
The selective serotonin-2A receptor antagonist M100907 reverses behavioral deficits in dopamine transporter knockout mice.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2004;29(2):221-8.
2004: Suzanne A Brody; Mark A Geyer
Interactions of the mGluR5 gene with breeding and maternal factors on startle and prepulse inhibition in mice.
Neurotoxicity research 2004;6(1):79-90.
2004: Karsten Heekeren; Ulrich Meincke; Mark A Geyer; Euphrosyne Gouzoulis-Mayfrank
Attentional modulation of prepulse inhibition: a new startle paradigm.
Neuropsychobiology 2004;49(2):88-93.
2004: Suzanne A Brody; Stephanie C Dulawa; F Conquet; Mark A Geyer
Assessment of a prepulse inhibition deficit in a mutant mouse lacking mGlu5 receptors.
Molecular psychiatry 2004;9(1):35-41.
2003: Suzanne A Brody; F Conquet; Mark A Geyer
Disruption of prepulse inhibition in mice lacking mGluR1.
The European journal of neuroscience 2003;18(12):3361-6.
2003: Mark A Geyer; Stephanie C Dulawa
Assessment of murine startle reactivity, prepulse inhibition, and habituation.
Current protocols in neuroscience / editorial board, Jacqueline N. Crawley ... [et al.] 2003;Chapter 8():Unit 8.17.
2003: Victoria B Risbrough; Richard L Hauger; Mary Ann Pelleymounter; Mark A Geyer
Role of corticotropin releasing factor (CRF) receptors 1 and 2 in CRF-potentiated acoustic startle in mice.
Psychopharmacology 2003;170(2):178-87.
2003: Mark A Geyer; Bart Ellenbroek
Animal behavior models of the mechanisms underlying antipsychotic atypicality.
Progress in neuro-psychopharmacology & biological psychiatry 2003;27(7):1071-9.
2003: Anneloes Dirks; Lucianne Groenink; Koen G C Westphal; Jocelien D A Olivier; P Monika Verdouw; Jan van der Gugten; Mark A Geyer; Berend Olivier
Reversal of startle gating deficits in transgenic mice overexpressing corticotropin-releasing factor by antipsychotic drugs.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2003;28(10):1790-8.
2003: Philip D Harvey; Mark A Geyer; Trevor W Robbins; John H Krystal
Cognition in schizophrenia: from basic science to clinical treatment.
Psychopharmacology 2003;169(3-4):213-4.
2003: Suzanne A Brody; Mark A Geyer; Charles H Large
Lamotrigine prevents ketamine but not amphetamine-induced deficits in prepulse inhibition in mice.
Psychopharmacology 2003;169(3-4):240-6.
2003: Katja Ludewig; Mark A Geyer; Franz Vollenweider
Deficits in prepulse inhibition and habituation in never-medicated, first-episode schizophrenia.
Biological psychiatry 2003;54(2):121-8.
2003: Katja Ludewig; Stephan Ludewig; Antonia Seitz; Martina Obrist; Mark A Geyer; Franz Vollenweider
The acoustic startle reflex and its modulation: effects of age and gender in humans.
Biological psychology 2003;63(3):311-23.
2003: Kathryn M Abel; Matthew P G Allin; David R Hemsley; Mark A Geyer
Low dose ketamine increases prepulse inhibition in healthy men.
Neuropharmacology 2003;44(6):729-37.
2003: Victoria B Risbrough; Jesse D Brodkin; Mark A Geyer
GABA-A and 5-HT1A receptor agonists block expression of fear-potentiated startle in mice.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2003;28(4):654-63.
2003: Susan B Powell; Martin P Paulus; Deborah S Hartman; Thierry Godel; Mark A Geyer
RO-10-5824 is a selective dopamine D4 receptor agonist that increases novel object exploration in C57 mice.
Neuropharmacology 2003;44(4):473-81.
2003: Joel Ellwanger; Mark A Geyer; David L Braff
The relationship of age to prepulse inhibition and habituation of the acoustic startle response.
Biological psychology 2003;62(3):175-95.
2003: Veena Kumari; Jeffrey A Gray; Mark A Geyer; Dominic H Ffytche; William Soni; Martina T Mitterschiffthaler; Goparlen N Vythelingum; Andrew Simmons; steven williams; Tonmoy Sharma
Neural correlates of tactile prepulse inhibition: a functional MRI study in normal and schizophrenic subjects.
Psychiatry research 2003;122(2):99-113.
2003: Rebecca J Ralph-Williams; Martin P Paulus; Xiaoxi Zhuang; René Hen; Mark A Geyer
Valproate attenuates hyperactive and perseverative behaviors in mutant mice with a dysregulated dopamine system.
Biological psychiatry 2003;53(4):352-9.
2003: Susan B Powell; Mark A Geyer; M A Preece; Leia Pitcher; Gavin Reynolds; Neal R Swerdlow
Dopamine depletion of the nucleus accumbens reverses isolation-induced deficits in prepulse inhibition in rats.
Neuroscience 2003;119(1):233-40.
2003: Rebecca J Ralph-Williams; Virginia Lehmann-Masten; Mark A Geyer
Dopamine D1 rather than D2 receptor agonists disrupt prepulse inhibition of startle in mice.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2003;28(1):108-18.
2002: S A Henry; V Lehmann-Masten; F Gasparini; Mark A Geyer; Athina Markou
The mGluR5 antagonist MPEP, but not the mGluR2/3 agonist LY314582, augments PCP effects on prepulse inhibition and locomotor activity.
Neuropharmacology 2002;43(8):1199-209.
2002: Rebecca J Ralph-Williams; Virginia Lehmann-Masten; Veronica Otero-Corchon; Malcolm J Low; Mark A Geyer
Differential effects of direct and indirect dopamine agonists on prepulse inhibition: a study in D1 and D2 receptor knock-out mice.
The Journal of neuroscience : the official journal of the Society for Neuroscience 2002;22(21):9604-11.
2002: Susan B Powell; Neal R Swerdlow; Leia Pitcher; Mark A Geyer
Isolation rearing-induced deficits in prepulse inhibition and locomotor habituation are not potentiated by water deprivation.
Physiology & behavior 2002;77(1):55-64.
2002: Neal R Swerdlow; Jody M Shoemaker; Nora Stephany; Lindsay C Wasserman; Hyun J Ro; Mark A Geyer
Prestimulus effects on startle magnitude: sensory or motor?
Behavioral neuroscience 2002;116(4):672-81.
2002: Kristin S Cadenhead; Gregory A Light; Mark A Geyer; Jennifer E McDowell; David L Braff
Neurobiological measures of schizotypal personality disorder: defining an inhibitory endophenotype?
The American journal of psychiatry 2002;159(5):869-71.
2002: Neal R Swerdlow; Angela Eastvold; Blythe Karban; Yvonne Ploum; Nora Stephany; Mark A Geyer; Kristin S Cadenhead; Pamela P Auerbach
Dopamine agonist effects on startle and sensorimotor gating in normal male subjects: time course studies.
Psychopharmacology 2002;161(2):189-201.
2002: Katja Ludewig; Mark A Geyer; Mario Etzensberger; Franz Vollenweider
Stability of the acoustic startle reflex, prepulse inhibition, and habituation in schizophrenia.
Schizophrenia research 2002;55(1-2):129-37.
2002: Franz Vollenweider; Matthias E Liechti; Alex Gamma; George Greer; Mark A Geyer
Acute psychological and neurophysiological effects of MDMA in humans.
Journal of psychoactive drugs 2002;34(2):171-84.
2002: Zoë A Martinez; Amanda Platten; Erica Pollack; Jody Shoemaker; Hyun Ro; Leia Pitcher; Mark A Geyer; Neal R Swerdlow
"Typical" but not "atypical" antipsychotic effects on startle gating deficits in prepubertal rats.
Psychopharmacology 2002;161(1):38-46.
2002: Anneloes Dirks; Lucianne Groenink; Marlies Iutje Schipholt; Jan van der Gugten; Theo Hijzen; Mark A Geyer; Berend Olivier
Reduced startle reactivity and plasticity in transgenic mice overexpressing corticotropin-releasing hormone.
Biological psychiatry 2002;51(7):583-90.
2002: Diana Price; Mark A Geyer
Subthalamic 5-HT(1A) and 5-HT(1B) receptor modulation of RU 24969-induced behavioral profile in rats.
Pharmacology, biochemistry, and behavior 2002;71(4):569-80.
2002: Mark A Geyer; Kellie L McIlwain; Richard Paylor
Mouse genetic models for prepulse inhibition: an early review.
Molecular psychiatry 2002;7(10):1039-53.
2002: Stephan Ludewig; Katja Ludewig; Mark A Geyer; Daniel Hell; Franz Vollenweider
Prepulse inhibition deficits in patients with panic disorder.
Depression and anxiety 2002;15(2):55-60.
2001: Franz Vollenweider; Mark A Geyer
A systems model of altered consciousness: integrating natural and drug-induced psychoses.
Brain research bulletin 2001;56(5):495-507.
2001: Neal R Swerdlow; B Karban; Yvonne Ploum; Richard Sharp; Mark A Geyer; Angela Eastvold
Tactile prepuff inhibition of startle in children with Tourette's syndrome: in search of an "fMRI-friendly" startle paradigm.
Biological psychiatry 2001;50(8):578-85.
2001: David M Weiner; Ethan S Burstein; Norman R Nash; Glenn E Croston; Erika A Currier; Kimberly E Vanover; Scott C Harvey; E Donohue; H C Hansen; Carl Magnus Andersson; Tracy A Spalding; D F Gibson; K Krebs-Thomson; S B Powell; Mark A Geyer; Uli Hacksell; Mark R Brann
5-hydroxytryptamine2A receptor inverse agonists as antipsychotics.
The Journal of pharmacology and experimental therapeutics 2001;299(1):268-76.
2001: D L Braff; Mark A Geyer; N R Swerdlow
Human studies of prepulse inhibition of startle: normal subjects, patient groups, and pharmacological studies.
Psychopharmacology 2001;156(2-3):234-58.
2001: N R Swerdlow; Mark A Geyer; D L Braff
Neural circuit regulation of prepulse inhibition of startle in the rat: current knowledge and future challenges.
Psychopharmacology 2001;156(2-3):194-215.
2001: Mark A Geyer; Kirsten Krebs-Thomson; David L Braff; Neal R Swerdlow
Pharmacological studies of prepulse inhibition models of sensorimotor gating deficits in schizophrenia: a decade in review.
Psychopharmacology 2001;156(2-3):117-54.
2001: RJ Ralph; Martin P Paulus; Mark A Geyer
Strain-specific effects of amphetamine on prepulse inhibition and patterns of locomotor behavior in mice.
The Journal of pharmacology and experimental therapeutics 2001;298(1):148-55.
2001: Mark A Geyer; Neal R Swerdlow
Measurement of startle response, prepulse inhibition, and habituation.
Current protocols in neuroscience / editorial board, Jacqueline N. Crawley ... [et al.] 2001;Chapter 8():Unit 8.7.
2001: Kirsten Krebs-Thomson; D Giracello; A Solis; Mark A Geyer
Post-weaning handling attenuates isolation-rearing induced disruptions of prepulse inhibition in rats.
Behavioural brain research 2001;120(2):221-4.
2001: David L Braff; Mark A Geyer; Gregory A Light; Joyce Sprock; William Perry; Kristin S Cadenhead; Neal R Swerdlow
Impact of prepulse characteristics on the detection of sensorimotor gating deficits in schizophrenia.
Schizophrenia research 2001;49(1-2):171-8.
2001: Matthias E Liechti; Mark A Geyer; Daniel Hell; Franz Vollenweider
Effects of MDMA (ecstasy) on prepulse inhibition and habituation of startle in humans after pretreatment with citalopram, haloperidol, or ketanserin.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2001;24(3):240-52.
2001: Anneloes Dirks; Tommy Pattij; Adriaan Bouwknecht; T T Westphal; Theo Hijzen; Lucianne Groenink; Jan van der Gugten; Ronald S Oosting; René Hen; Mark A Geyer; Berend Olivier
5-HT1B receptor knockout, but not 5-HT1A receptor knockout mice, show reduced startle reactivity and footshock-induced sensitization, as measured with the acoustic startle response.
Behavioural brain research 2001;118(2):169-78.
2001: RJ Ralph; Martin P Paulus; F Fumagalli; Marc G Caron; Mark A Geyer
Prepulse inhibition deficits and perseverative motor patterns in dopamine transporter knock-out mice: differential effects of D1 and D2 receptor antagonists.
The Journal of neuroscience : the official journal of the Society for Neuroscience 2001;21(1):305-13.
2000: Adriaan Bouwknecht; Theo Hijzen; Jan van der Gugten; Anneloes Dirks; Robert A A Maes; René Hen; Mark A Geyer; Berend Olivier
Startle responses, heart rate, and temperature in 5-HT1B receptor knockout mice.
Neuroreport 2000;11(18):4097-102.
2000: M Farid; Zoë A Martinez; Mark A Geyer; Neal R Swerdlow
Regulation of sensorimotor gating of the startle reflex by serotonin 2A receptors. Ontogeny and strain differences.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2000;23(6):623-32.
2000: Zoë A Martinez; JL Oostwegel; Mark A Geyer; GD Ellison; Neal R Swerdlow
"Early" and "late" effects of sustained haloperidol on apomorphine- and phencyclidine-induced sensorimotor gating deficits.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2000;23(5):517-27.
2000: Stephanie C Dulawa; Mark A Geyer
Effects of strain and serotonergic agents on prepulse inhibition and habituation in mice.
Neuropharmacology 2000;39(11):2170-9.
2000: Neal R Swerdlow; David L Braff; Mark A Geyer
Animal models of deficient sensorimotor gating: what we know, what we think we know, and what we hope to know soon.
Behavioural pharmacology 2000;11(3-4):185-204.
2000: Neal R Swerdlow; Zoë A Martinez; Faith M Hanlon; Amanda Platten; M Farid; Pamela P Auerbach; David L Braff; Mark A Geyer
Toward understanding the biology of a complex phenotype: rat strain and substrain differences in the sensorimotor gating-disruptive effects of dopamine agonists.
The Journal of neuroscience : the official journal of the Society for Neuroscience 2000;20(11):4325-36.
2000: Stephanie C Dulawa; C Gross; K L Stark; R Hen; Mark A Geyer
Knockout mice reveal opposite roles for serotonin 1A and 1B receptors in prepulse inhibition.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2000;22(6):650-9.
2000: Geoffrey Varty; Martin P Paulus; David L Braff; Mark A Geyer
Environmental enrichment and isolation rearing in the rat: effects on locomotor behavior and startle response plasticity.
Biological psychiatry 2000;47(10):864-73.
2000: Gregory A Light; Mark A Geyer; Brett A Clementz; Kristin S Cadenhead; David L Braff
Normal P50 suppression in schizophrenia patients treated with atypical antipsychotic medications.
The American journal of psychiatry 2000;157(5):767-71.
2000: Abraham A Palmer; Stephanie C Dulawa; A A Mottiwala; Lisa H Conti; Mark A Geyer; Morton P Printz
Prepulse startle deficit in the Brown Norway rat: a potential genetic model.
Behavioral neuroscience 2000;114(2):374-88.
2000: Stephanie C Dulawa; KA Scearce-Levie; R Hen; Mark A Geyer
Serotonin releasers increase prepulse inhibition in serotonin 1B knockout mice.
Psychopharmacology 2000;149(3):306-12.
2000: Zoë A Martinez; N D Halim; JL Oostwegel; Mark A Geyer; Neal R Swerdlow
Ontogeny of phencyclidine and apomorphine-induced startle gating deficits in rats.
Pharmacology, biochemistry, and behavior 2000;65(3):449-57.
2000: Martin P Paulus; Geoffrey Varty; Mark A Geyer
The genetic liability to stress and postweaning isolation have a competitive influence on behavioral organization in rats.
Physiology & behavior 2000;68(3):389-94.
2000: Kristin S Cadenhead; Gregory A Light; Mark A Geyer; David L Braff
Sensory gating deficits assessed by the P50 event-related potential in subjects with schizotypal personality disorder.
The American journal of psychiatry 2000;157(1):55-9.
1999: Mark A Geyer
Assessing prepulse inhibition of startle in wild-type and knockout mice.
Psychopharmacology 1999;147(1):11-3.
1999: Stephanie C Dulawa; David K Grandy; Malcolm J Low; Martin P Paulus; Mark A Geyer
Dopamine D4 receptor-knock-out mice exhibit reduced exploration of novel stimuli.
The Journal of neuroscience : the official journal of the Society for Neuroscience 1999;19(21):9550-6.
1999: Gregory A Light; D Malaspina; Mark A Geyer; B M Luber; E A Coleman; Harold A Sackeim; David L Braff
Amphetamine disrupts P50 suppression in normal subjects.
Biological psychiatry 1999;46(7):990-6.
1999: Neal R Swerdlow; Mark A Geyer; PL Hartman; Joyce Sprock; Pamela P Auerbach; Kristin S Cadenhead; William Perry; David L Braff
Sex differences in sensorimotor gating of the human startle reflex: all smoke?
Psychopharmacology 1999;146(2):228-32.
1999: Vaishali P Bakshi; Mark A Geyer
Ontogeny of isolation rearing-induced deficits in sensorimotor gating in rats.
Physiology & behavior 1999;67(3):385-92.
1999: Mark A Geyer; Neal R Swerdlow; Virginia Lehmann-Masten; Hans-Jürgen Teschendorf; M Traut; G Gross
Effects of LU-111995 in three models of disrupted prepulse inhibition in rats.
The Journal of pharmacology and experimental therapeutics 1999;290(2):716-24.
1999: Zoë A Martinez; GD Ellison; Mark A Geyer; Neal R Swerdlow
Effects of sustained phencyclidine exposure on sensorimotor gating of startle in rats.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 1999;21(1):28-39.
1999: Neal R Swerdlow; David L Braff; Mark A Geyer
Cross-species studies of sensorimotor gating of the startle reflex.
Annals of the New York Academy of Sciences 1999;877():202-16.
1999: R J Ralph; Geoffrey Varty; M A Kelly; Y M Wang; Marc G Caron; M Rubinstein; David K Grandy; Malcolm J Low; Mark A Geyer
The dopamine D2, but not D3 or D4, receptor subtype is essential for the disruption of prepulse inhibition produced by amphetamine in mice.
The Journal of neuroscience : the official journal of the Society for Neuroscience 1999;19(11):4627-33.
1999: Franz Vollenweider; S Remensberger; Daniel Hell; Mark A Geyer
Opposite effects of 3,4-methylenedioxymethamphetamine (MDMA) on sensorimotor gating in rats versus healthy humans.
Psychopharmacology 1999;143(4):365-72.
1999: Geoffrey Varty; David L Braff; Mark A Geyer
Is there a critical developmental 'window' for isolation rearing-induced changes in prepulse inhibition of the acoustic startle response?
Behavioural brain research 1999;100(1-2):177-83.
1999: David L Braff; Neal R Swerdlow; Mark A Geyer
Symptom correlates of prepulse inhibition deficits in male schizophrenic patients.
The American journal of psychiatry 1999;156(4):596-602.
1999: Geoffrey Varty; Vaishali P Bakshi; Mark A Geyer
M100907, a serotonin 5-HT2A receptor antagonist and putative antipsychotic, blocks dizocilpine-induced prepulse inhibition deficits in Sprague-Dawley and Wistar rats.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 1999;20(4):311-21.
1999: Zoë A Martinez; GD Ellison; Mark A Geyer; Neal R Swerdlow
Effects of sustained cocaine exposure on sensorimotor gating of startle in rats.
Psychopharmacology 1999;142(3):253-60.
1999: Regis Grailhe; Christian Waeber; S C Dulawa; J P Hornung; Xiaoxi Zhuang; D Brunner; Mark A Geyer; René Hen
Increased exploratory activity and altered response to LSD in mice lacking the 5-HT(5A) receptor.
Neuron 1999;22(3):581-91.
1999: William Perry; Mark A Geyer; David L Braff
Sensorimotor gating and thought disturbance measured in close temporal proximity in schizophrenic patients.
Archives of general psychiatry 1999;56(3):277-81.
1999: Kristin S Cadenhead; Barbara S Carasso; Neal R Swerdlow; Mark A Geyer; David L Braff
Prepulse inhibition and habituation of the startle response are stable neurobiological measures in a normal male population.
Biological psychiatry 1999;45(3):360-4.
1999: VP Bakshi; MD Tricklebank; H C Neijt; V Lehmann-Masten; Mark A Geyer
Disruption of prepulse inhibition and increases in locomotor activity by competitive N-methyl-D-aspartate receptor antagonists in rats.
The Journal of pharmacology and experimental therapeutics 1999;288(2):643-52.
1999: Martin P Paulus; Mark A Geyer; David L Braff
Long-range correlations in choice sequences of schizophrenic patients.
Schizophrenia research 1999;35(1):69-75.
1999: VP Bakshi; Mark A Geyer
Alpha-1-adrenergic receptors mediate sensorimotor gating deficits produced by intracerebral dizocilpine administration in rats.
Neuroscience 1999;92(1):113-21.
1998: Stephanie C Dulawa; R Hen; KA Scearce-Levie; Mark A Geyer
5-HT1B receptor modulation of prepulse inhibition: recent findings in wild-type and 5-HT1B knockout mice.
Annals of the New York Academy of Sciences 1998;861():79-84.
1998: Geoffrey Varty; Mark A Geyer
Effects of isolation rearing on startle reactivity, habituation, and prepulse inhibition in male Lewis, Sprague-Dawley, and Fischer F344 rats.
Behavioral neuroscience 1998;112(6):1450-7.
1998: Martin P Paulus; Mark A Geyer; E Sternberg
Differential movement patterns but not amount of activity in unconditioned motor behavior of Fischer, Lewis, and Sprague-Dawley rats.
Physiology & behavior 1998;65(3):601-6.
1998: Brett A Clementz; Mark A Geyer; David L Braff
Poor P50 suppression among schizophrenia patients and their first-degree biological relatives.
The American journal of psychiatry 1998;155(12):1691-4.
1998: Neal R Swerdlow; Vaishali P Bakshi; M Waikar; N Taaid; Mark A Geyer
Seroquel, clozapine and chlorpromazine restore sensorimotor gating in ketamine-treated rats.
Psychopharmacology 1998;140(1):75-80.
1998: Kirsten Krebs-Thomson; Mark A Geyer
Evidence for a functional interaction between 5-HT1A and 5-HT2 receptors in rats.
Psychopharmacology 1998;140(1):69-74.
1998: Euphrosyne Gouzoulis-Mayfrank; Karsten Heekeren; Bernhard Thelen; H Lindenblatt; Karl-Artur Kovar; Henning Sass; Mark A Geyer
Effects of the hallucinogen psilocybin on habituation and prepulse inhibition of the startle reflex in humans.
Behavioural pharmacology 1998;9(7):561-6.
1998: VP Bakshi; Mark A Geyer
Multiple limbic regions mediate the disruption of prepulse inhibition produced in rats by the noncompetitive NMDA antagonist dizocilpine.
The Journal of neuroscience : the official journal of the Society for Neuroscience 1998;18(20):8394-401.
1998: Neal R Swerdlow; N Taaid; JL Oostwegel; E Randolph; Mark A Geyer
Towards a cross-species pharmacology of sensorimotor gating: effects of amantadine, bromocriptine, pergolide and ropinirole on prepulse inhibition of acoustic startle in rats.
Behavioural pharmacology 1998;9(5-6):389-96.
1998: Martin P Paulus; Vaishali P Bakshi; Mark A Geyer
Isolation rearing affects sequential organization of motor behavior in post-pubertal but not pre-pubertal Lister and Sprague-Dawley rats.
Behavioural brain research 1998;94(2):271-80.
1998: Mark A Geyer
Behavioral studies of hallucinogenic drugs in animals: implications for schizophrenia research.
Pharmacopsychiatry 1998;31 Suppl 2():73-9.
1998: Geoffrey Varty; Richard L Hauger; Mark A Geyer
Aging effects on the startle response and startle plasticity in Fischer F344 rats.
Neurobiology of aging 1998;19(3):243-51.
1998: Kirsten Krebs-Thomson; Martin P Paulus; Mark A Geyer
Effects of hallucinogens on locomotor and investigatory activity and patterns: influence of 5-HT2A and 5-HT2C receptors.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 1998;18(5):339-51.
1998: Vaishali P Bakshi; Neal R Swerdlow; D L Braff; Mark A Geyer
Reversal of isolation rearing-induced deficits in prepulse inhibition by Seroquel and olanzapine.
Biological psychiatry 1998;43(6):436-45.
1998: Brett A Clementz; Mark A Geyer; David L Braff
Multiple site evaluation of P50 suppression among schizophrenia and normal comparison subjects.
Schizophrenia research 1998;30(1):71-80.
1998: Kirsten Krebs-Thomson; Virginia Lehmann-Masten; S Naiem; Martin P Paulus; Mark A Geyer
Modulation of phencyclidine-induced changes in locomotor activity and patterns in rats by serotonin.
European journal of pharmacology 1998;343(2-3):135-43.
1998: JP Druhan; Mark A Geyer; Rita J Valentino
Lack of sensitization to the effects of d-amphetamine and apomorphine on sensorimotor gating in rats.
Psychopharmacology 1998;135(3):296-304.
1998: Kathryn M Abel; M Waikar; B Pedro; D Hemsley; Mark A Geyer
Repeated testing of prepulse inhibition and habituation of the startle reflex: a study in healthy human controls.
Journal of psychopharmacology (Oxford, England) 1998;12(4):330-7.
1998: Barbara S Carasso; Vaishali P Bakshi; Mark A Geyer
Disruption in prepulse inhibition after alpha-1 adrenoceptor stimulation in rats.
Neuropharmacology 1998;37(3):401-4.
1998: Neal R Swerdlow; Mark A Geyer
Using an animal model of deficient sensorimotor gating to study the pathophysiology and new treatments of schizophrenia.
Schizophrenia bulletin 1998;24(2):285-301.
1998: Neal R Swerdlow; Geoffrey Varty; Mark A Geyer
Discrepant findings of clozapine effects on prepulse inhibition of startle: is it the route or the rat?
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 1998;18(1):50-6.
1997: Kristin S Cadenhead; Mark A Geyer; Robert W. Butler; William Perry; Joyce Sprock; David L Braff
Information processing deficits of schizophrenia patients: relationship to clinical ratings, gender and medication status.
Schizophrenia research 1997;28(1):51-62.
1997: Vaishali P Bakshi; Mark A Geyer
Phencyclidine-induced deficits in prepulse inhibition of startle are blocked by prazosin, an alpha-1 noradrenergic antagonist.
The Journal of pharmacology and experimental therapeutics 1997;283(2):666-74.
1997: Stephanie C Dulawa; R Hen; KA Scearce-Levie; Mark A Geyer
Serotonin1B receptor modulation of startle reactivity, habituation, and prepulse inhibition in wild-type and serotonin1B knockout mice.
Psychopharmacology 1997;132(2):125-34.
1997: T E Sipes; Mark A Geyer
DOI disrupts prepulse inhibition of startle in rats via 5-HT2A receptors in the ventral pallidum.
Brain research 1997;761(1):97-104.
1997: Brett A Clementz; Mark A Geyer; David L Braff
P50 suppression among schizophrenia and normal comparison subjects: a methodological analysis.
Biological psychiatry 1997;41(10):1035-44.
1997: Diana Price; Mark A Geyer
Characterization of the disruptions of prepulse inhibition and habituation of startle induced by alpha-ethyltryptamine.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 1997;16(3):246-55.
1996: Neal R Swerdlow; V Bakshi; Mark A Geyer
Seroquel restores sensorimotor gating in phencyclidine-treated rats.
The Journal of pharmacology and experimental therapeutics 1996;279(3):1290-9.
1996: T E Sipes; Mark A Geyer
Functional behavioral homology between rat 5-HT1B and guinea pig 5-HT1D receptors in the modulation of prepulse inhibition of startle.
Psychopharmacology 1996;125(3):231-7.
1996: Neal R Swerdlow; D L Braff; H Hartston; William Perry; Mark A Geyer
Latent inhibition in schizophrenia.
Schizophrenia research 1996;20(1-2):91-103.
1996: Martin P Paulus; Mark A Geyer; D L Braff
Use of methods from chaos theory to quantify a fundamental dysfunction in the behavioral organization of schizophrenic patients.
The American journal of psychiatry 1996;153(5):714-7.
1996: Trevor Humby; Lawrence S Wilkinson; Trevor W Robbins; Mark A Geyer
Prepulses inhibit startle-induced reductions of extracellular dopamine in the nucleus accumbens of rat.
The Journal of neuroscience : the official journal of the Society for Neuroscience 1996;16(6):2149-56.
1996: Stephanie C Dulawa; Mark A Geyer
Psychopharmacology of prepulse inhibition in mice.
The Chinese journal of physiology 1996;39(3):139-46.
1996: Mark A Geyer
Serotonergic functions in arousal and motor activity.
Behavioural brain research 1996;73(1-2):31-5.
1995: V P Bakshi; Mark A Geyer
Antagonism of phencyclidine-induced deficits in prepulse inhibition by the putative atypical antipsychotic olanzapine.
Psychopharmacology 1995;122(2):198-201.
1995: Barbara K Lipska; Neal R Swerdlow; Mark A Geyer; george jaskiw; D L Braff; Daniel R Weinberger
Neonatal excitotoxic hippocampal damage in rats causes post-pubertal changes in prepulse inhibition of startle and its disruption by apomorphine.
Psychopharmacology 1995;122(1):35-43.
1995: Neal R Swerdlow; Barbara K Lipska; Daniel R Weinberger; D L Braff; george jaskiw; Mark A Geyer
Increased sensitivity to the sensorimotor gating-disruptive effects of apomorphine after lesions of medial prefrontal cortex or ventral hippocampus in adult rats.
Psychopharmacology 1995;122(1):27-34.
1995: Bart Ellenbroek; Mark A Geyer; Alexander R Cools
The behavior of APO-SUS rats in animal models with construct validity for schizophrenia.
The Journal of neuroscience : the official journal of the Society for Neuroscience 1995;15(11):7604-11.
1995: F J Wan; Mark A Geyer; N R Swerdlow
Presynaptic dopamine-glutamate interactions in the nucleus accumbens regulate sensorimotor gating.
Psychopharmacology 1995;120(4):433-41.
1995: Neal R Swerdlow; Mark A Geyer; William Perry; Kristin S Cadenhead; D L Braff
Drug screening in "normal" controls.
Biological psychiatry 1995;38(2):123-4.
1995: S B Caine; Mark A Geyer; Neal R Swerdlow
Effects of D3/D2 dopamine receptor agonists and antagonists on prepulse inhibition of acoustic startle in the rat.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 1995;12(2):139-45.
1995: Neal R Swerdlow; Diane L Filion; Mark A Geyer; D L Braff
"Normal" personality correlates of sensorimotor, cognitive, and visuospatial gating.
Biological psychiatry 1995;37(5):286-99.
1995: Neal R Swerdlow; Jane S Paulsen; D L Braff; N Butters; Mark A Geyer; M R Swenson
Impaired prepulse inhibition of acoustic and tactile startle response in patients with Huntington's disease.
Journal of neurology, neurosurgery, and psychiatry 1995;58(2):192-200.
1995: T A Sipes; Mark A Geyer
8-OH-DPAT disruption of prepulse inhibition in rats: reversal with (+)WAY 100,135 and localization of site of action.
Psychopharmacology 1995;117(1):41-8.
1995: D L Braff; Neal R Swerdlow; Mark A Geyer
Gating and habituation deficits in the schizophrenia disorders.
Clinical neuroscience (New York, N.Y.) 1995;3(2):131-9.
1994: Athina Markou; K Matthews; David H Overstreet; George F Koob; Mark A Geyer
Flinders resistant hypocholinergic rats exhibit startle sensitization and reduced startle thresholds.
Biological psychiatry 1994;36(10):680-8.
1994: V P Bakshi; Neal R Swerdlow; Mark A Geyer
Clozapine antagonizes phencyclidine-induced deficits in sensorimotor gating of the startle response.
The Journal of pharmacology and experimental therapeutics 1994;271(2):787-94.
1994: Martin P Paulus; Mark A Geyer; D L Braff
The assessment of sequential response organization in schizophrenic and control subjects.
Progress in neuro-psychopharmacology & biological psychiatry 1994;18(7):1169-85.
1994: F J Wan; Mark A Geyer; Neal R Swerdlow
Accumbens D2 modulation of sensorimotor gating in rats: assessing anatomical localization.
Pharmacology, biochemistry, and behavior 1994;49(1):155-63.
1994: T A Sipes; Mark A Geyer
Multiple serotonin receptor subtypes modulate prepulse inhibition of the startle response in rats.
Neuropharmacology 1994;33(3-4):441-8.
1994: Neal R Swerdlow; D L Braff; N Taaid; Mark A Geyer
Assessing the validity of an animal model of deficient sensorimotor gating in schizophrenic patients.
Archives of general psychiatry 1994;51(2):139-54.
1994: Lawrence S Wilkinson; S S Killcross; Trevor Humby; FS Hall; Mark A Geyer; Trevor W Robbins
Social isolation in the rat produces developmentally specific deficits in prepulse inhibition of the acoustic startle response without disrupting latent inhibition.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 1994;10(1):61-72.
1994: Mark A Geyer; K M Krebs
Serotonin receptor involvement in an animal model of the acute effects of hallucinogens.
NIDA research monograph 1994;146():124-56.
1994: K M Krebs; Mark A Geyer
Cross-tolerance studies of serotonin receptors involved in behavioral effects of LSD in rats.
Psychopharmacology 1994;113(3-4):429-37.
1993: Kristin S Cadenhead; Mark A Geyer; D L Braff
Impaired startle prepulse inhibition and habituation in patients with schizotypal personality disorder.
The American journal of psychiatry 1993;150(12):1862-7.
1993: Mark A Geyer; Lawrence S Wilkinson; Trevor Humby; Trevor W Robbins
Isolation rearing of rats produces a deficit in prepulse inhibition of acoustic startle similar to that in schizophrenia.
Biological psychiatry 1993;34(6):361-72.
1993: Neal R Swerdlow; Pamela P Auerbach; S M Monroe; H Hartston; Mark A Geyer; D L Braff
Men are more inhibited than women by weak prepulses.
Biological psychiatry 1993;34(4):253-60.
1993: N L Rempel; Clifton Callaway; Mark A Geyer
Serotonin1B receptor activation mimics behavioral effects of presynaptic serotonin release.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 1993;8(3):201-11.
1993: Neal R Swerdlow; Mark A Geyer
Clozapine and haloperidol in an animal model of sensorimotor gating deficits in schizophrenia.
Pharmacology, biochemistry, and behavior 1993;44(3):741-4.
1993: Martin P Paulus; Mark A Geyer
Three independent factors characterize spontaneous rat motor activity.
Behavioural brain research 1993;53(1-2):11-20.
1993: N R Swerdlow; C H Benbow; S Zisook; Mark A Geyer; D L Braff
A preliminary assessment of sensorimotor gating in patients with obsessive compulsive disorder.
Biological psychiatry 1993;33(4):298-301.
1993: Neal R Swerdlow; Mark A Geyer
Prepulse inhibition of acoustic startle in rats after lesions of the pedunculopontine tegmental nucleus.
Behavioral neuroscience 1993;107(1):104-17.
1993: Clifton Callaway; L L Wing; D E Nichols; Mark A Geyer
Suppression of behavioral activity by norfenfluramine and related drugs in rats is not mediated by serotonin release.
Psychopharmacology 1993;111(2):169-78.
1993: K M Krebs; Mark A Geyer
Behavioral characterization of alpha-ethyltryptamine, a tryptamine derivative with MDMA-like properties in rats.
Psychopharmacology 1993;113(2):284-7.
1993: Martin P Paulus; Clifton Callaway; Mark A Geyer
Quantitative assessment of the microstructure of rat behavior: II. Distinctive effects of dopamine releasers and uptake inhibitors.
Psychopharmacology 1993;113(2):187-98.
1993: Martin P Paulus; Mark A Geyer
Quantitative assessment of the microstructure of rat behavior: I, f(d), the extension of the scaling hypothesis.
Psychopharmacology 1993;113(2):177-86.
1992: S B Caine; Mark A Geyer; Neal R Swerdlow
Hippocampal modulation of acoustic startle and prepulse inhibition in the rat.
Pharmacology, biochemistry, and behavior 1992;43(4):1201-8.
1992: John R Glowa; Mark A Geyer; Philip W Gold; E M Sternberg
Differential startle amplitude and corticosterone response in rats.
Neuroendocrinology 1992;56(5):719-23.
1992: Clifton Callaway; Mark A Geyer
Tolerance and cross-tolerance to the activating effects of 3,4-methylenedioxymethamphetamine and a 5-hydroxytryptamine1B agonist.
The Journal of pharmacology and experimental therapeutics 1992;263(1):318-26.
1992: Clifton Callaway; N Rempel; R Y Peng; Mark A Geyer
Serotonin 5-HT1-like receptors mediate hyperactivity in rats induced by 3,4-methylenedioxymethamphetamine.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 1992;7(2):113-27.
1992: Martin P Paulus; Mark A Geyer
The effects of MDMA and other methylenedioxy-substituted phenylalkylamines on the structure of rat locomotor activity.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 1992;7(1):15-31.
1992: Clifton Callaway; Mark A Geyer
Stimulant effects of 3,4-methylenedioxymethamphetamine in the nucleus accumbens of rat.
European journal of pharmacology 1992;214(1):45-51.
1992: D L Braff; C Grillon; Mark A Geyer
Gating and habituation of the startle reflex in schizophrenic patients.
Archives of general psychiatry 1992;49(3):206-15.
1992: Neal R Swerdlow; David L Braff; S B Caine; Mark A Geyer
The neural substrates of sensorimotor gating of the startle reflex: a review of recent findings and their implications.
Journal of psychopharmacology (Oxford, England) 1992;6(2):176-90.
1992: S Rassnick; George F Koob; Mark A Geyer
Responding to acoustic startle during chronic ethanol intoxication and withdrawal.
Psychopharmacology 1992;106(3):351-8.
1992: Mark A Geyer; Martin P Paulus
Multivariate and nonlinear approaches to characterizing drug effects on the locomotor and investigatory behavior of rats.
NIDA research monograph 1992;124():203-35.
1992: Neal R Swerdlow; S B Caine; Mark A Geyer
Regionally selective effects of intracerebral dopamine infusion on sensorimotor gating of the startle reflex in rats.
Psychopharmacology 1992;108(1-2):189-95.
1991: V A Keith; R S Mansbach; Mark A Geyer
Failure of haloperidol to block the effects of phencyclidine and dizocilpine on prepulse inhibition of startle.
Biological psychiatry 1991;30(6):557-66.
1991: V D Lehmann-Masten; Mark A Geyer
Spatial and temporal patterning distinguishes the locomotor activating effects of dizocilpine and phencyclidine in rats.
Neuropharmacology 1991;30(6):629-36.
1991: Neal R Swerdlow; V A Keith; D L Braff; Mark A Geyer
Effects of spiperone, raclopride, SCH 23390 and clozapine on apomorphine inhibition of sensorimotor gating of the startle response in the rat.
The Journal of pharmacology and experimental therapeutics 1991;256(2):530-6.
1991: Mark A Geyer
Multiple serotonergic influences on startle responding.
Journal of psychopharmacology (Oxford, England) 1991;5(4):334-5.
1991: Clifton Callaway; Michael Johnson; L H Gold; D E Nichols; Mark A Geyer
Amphetamine derivatives induce locomotor hyperactivity by acting as indirect serotonin agonists.
Psychopharmacology 1991;104(3):293-301.
1991: Neal R Swerdlow; S B Caine; Mark A Geyer
Opiate-dopamine interactions in the neural substrates of acoustic startle gating in the rat.
Progress in neuro-psychopharmacology & biological psychiatry 1991;15(3):415-26.
1991: S B Caine; Mark A Geyer; Neal R Swerdlow
Carbachol infusion into the dentate gyrus disrupts sensorimotor gating of startle in the rat.
Psychopharmacology 1991;105(3):347-54.
1991: R S Mansbach; Mark A Geyer
Parametric determinants in pre-stimulus modification of acoustic startle: interaction with ketamine.
Psychopharmacology 1991;105(2):162-8.
1991: S M Mittman; Mark A Geyer
Dissociation of multiple effects of acute LSD on exploratory behavior in rats by ritanserin and propranolol.
Psychopharmacology 1991;105(1):69-76.
1991: Martin P Paulus; Mark A Geyer
A scaling approach to find order parameters quantifying the effects of dopaminergic agents on unconditioned motor activity in rats.
Progress in neuro-psychopharmacology & biological psychiatry 1991;15(6):903-19.
1991: Martin P Paulus; Mark A Geyer
A temporal and spatial scaling hypothesis for the behavioral effects of psychostimulants.
Psychopharmacology 1991;104(1):6-16.
1990: Neal R Swerdlow; D L Braff; Mark A Geyer
GABAergic projection from nucleus accumbens to ventral pallidum mediates dopamine-induced sensorimotor gating deficits of acoustic startle in rats.
Brain research 1990;532(1-2):146-50.
1990: Robert W. Butler; D L Braff; Jeffrey L Rausch; M A Jenkins; Joyce Sprock; Mark A Geyer
Physiological evidence of exaggerated startle response in a subgroup of Vietnam veterans with combat-related PTSD.
The American journal of psychiatry 1990;147(10):1308-12.
1990: Mark A Geyer; Neal R Swerdlow; R S Mansbach; D L Braff
Startle response models of sensorimotor gating and habituation deficits in schizophrenia.
Brain research bulletin 1990;25(3):485-98.
1990: S Kim; S Scheerer; Mark A Geyer; S B Howell
Direct cerebrospinal fluid delivery of an antiretroviral agent using multivesicular liposomes.
The Journal of infectious diseases 1990;162(3):750-2.
1990: Clifton Callaway; L L Wing; Mark A Geyer
Serotonin release contributes to the locomotor stimulant effects of 3,4-methylenedioxymethamphetamine in rats.
The Journal of pharmacology and experimental therapeutics 1990;254(2):456-64.
1990: R Y Peng; R S Mansbach; D L Braff; Mark A Geyer
A D2 dopamine receptor agonist disrupts sensorimotor gating in rats. Implications for dopaminergic abnormalities in schizophrenia.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 1990;3(3):211-8.
1990: D L Braff; Mark A Geyer
Sensorimotor gating and schizophrenia. Human and animal model studies.
Archives of general psychiatry 1990;47(2):181-8.
1990: Christian Grillon; Eric Courchesne; R Ameli; Mark A Geyer; D L Braff
Increased distractibility in schizophrenic patients. Electrophysiologic and behavioral evidence.
Archives of general psychiatry 1990;47(2):171-9.
1990: Michael Davis; R S Mansbach; N R Swerdlow; Serge Campeau; D L Braff; Mark A Geyer
Apomorphine disrupts the inhibition of acoustic startle induced by weak prepulses in rats.
Psychopharmacology 1990;102(1):1-4.
1990: Neal R Swerdlow; R S Mansbach; Mark A Geyer; Luigi Pulvirenti; George F Koob; D L Braff
Amphetamine disruption of prepulse inhibition of acoustic startle is reversed by depletion of mesolimbic dopamine.
Psychopharmacology 1990;100(3):413-6.
1990: L L Wing; G S Tapson; Mark A Geyer
5HT-2 mediation of acute behavioral effects of hallucinogens in rats.
Psychopharmacology 1990;100(3):417-25.
1990: Neal R Swerdlow; D L Braff; V L Masten; Mark A Geyer
Schizophrenic-like sensorimotor gating abnormalities in rats following dopamine infusion into the nucleus accumbens.
Psychopharmacology 1990;101(3):414-20.
1990: Martin P Paulus; Mark A Geyer; L H Gold; A J Mandell
Application of entropy measures derived from the ergodic theory of dynamical systems to rat locomotor behavior.
Proceedings of the National Academy of Sciences of the United States of America 1990;87(2):723-7.
1989: R S Mansbach; Mark A Geyer
Effects of phencyclidine and phencyclidine biologs on sensorimotor gating in the rat.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 1989;2(4):299-308.
1989: R S Mansbach; D L Braff; Mark A Geyer
Prepulse inhibition of the acoustic startle response is disrupted by N-ethyl-3,4-methylenedioxyamphetamine (MDEA) in the rat.
European journal of pharmacology 1989;167(1):49-55.
1989: L H Gold; Mark A Geyer; George F Koob
Psychostimulant properties of MDMA.
NIDA research monograph 1989;95():345-6.
1989: Mark A Geyer; V L Masten
Increases in diversive exploration in rats during hippocampal microinfusions of isoproterenol but not methoxamine.
Physiology & behavior 1989;45(1):213-7.
1989: L H Gold; Mark A Geyer; George F Koob
Neurochemical mechanisms involved in behavioral effects of amphetamines and related designer drugs.
NIDA research monograph 1989;94():101-26.
1989: S M Mittman; Mark A Geyer
Effects of 5HT-1A agonists on locomotor and investigatory behaviors in rats differ from those of hallucinogens.
Psychopharmacology 1989;98(3):321-9.
1988: R S Mansbach; Mark A Geyer
Blockade of potentiated startle responding in rats by 5-hydroxytryptamine1A receptor ligands.
European journal of pharmacology 1988;156(3):375-83.
1988: L H Gold; George F Koob; Mark A Geyer
Stimulant and hallucinogenic behavioral profiles of 3,4-methylenedioxymethamphetamine and N-ethyl-3,4-methylenedioxyamphetamine in rats.
The Journal of pharmacology and experimental therapeutics 1988;247(2):547-55.
1988: Mark A Geyer; S F Frampton
Peripheral mediation of effects of clenbuterol on locomotor and investigatory behavior in rats.
Pharmacology, biochemistry, and behavior 1988;30(2):417-20.
1988: Mark A Geyer; G S Tapson
Habituation of tactile startle is altered by drugs acting on serotonin-2 receptors.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 1988;1(2):135-47.
1988: D L Braff; Mark A Geyer
Habituation deficits, serotonergic function, and schizophrenia: new animal model data.
Psychopharmacology bulletin 1988;24(3):426-30.
1988: R S Mansbach; Mark A Geyer; D L Braff
Dopaminergic stimulation disrupts sensorimotor gating in the rat.
Psychopharmacology 1988;94(4):507-14.
1987: Mark A Geyer; P V Russo; David S Segal; Ronald Kuczenski
Effects of apomorphine and amphetamine on patterns of locomotor and investigatory behavior in rats.
Pharmacology, biochemistry, and behavior 1987;28(3):393-9.
1987: S Kim; D J Kim; Mark A Geyer; S B Howell
Multivesicular liposomes containing 1-beta-D-arabinofuranosylcytosine for slow-release intrathecal therapy.
Cancer research 1987;47(15):3935-7.
1987: E H Lee; F B Wang; Y P Tang; Mark A Geyer
Gabaergic interneurons in the dorsal raphe mediate the effects of apomorphine on serotonergic system.
Brain research bulletin 1987;18(3):345-53.
1987: Mark A Geyer; D L Braff
Startle habituation and sensorimotor gating in schizophrenia and related animal models.
Schizophrenia bulletin 1987;13(4):643-68.
1987: P F Gately; D S Segal; Mark A Geyer
Sequential changes in behavior induced by continuous infusions of amphetamine in rats.
Psychopharmacology 1987;91(2):217-20.
1986: H Edery; Mark A Geyer; P Taylor; H A Berman
Target sites for anticholinesterases on the ventral surface of the medulla oblongata: hypotension elicited by organophosphorus agents.
Journal of autonomic pharmacology 1986;6(3):195-205.
1986: Mark A Geyer; V L Masten; D S Segal
Behavioral effects of xylamine-induced depletions of brain norepinephrine: interaction with amphetamine.
Behavioural brain research 1986;21(1):55-64.
1986: Mark A Geyer; P V Russo; V L Masten
Multivariate assessment of locomotor behavior: pharmacological and behavioral analyses.
Pharmacology, biochemistry, and behavior 1986;25(1):277-88.
1986: P F Gately; D S Segal; Mark A Geyer
The behavioral effects of depletions of brain serotonin induced by 5,7-dihydroxytryptamine vary with time after administration.
Behavioral and neural biology 1986;45(1):31-42.
1986: R Rettig; Mark A Geyer; M P Printz
Cardiovascular concomitants of tactile and acoustic startle responses in spontaneously hypertensive and normotensive rats.
Physiology & behavior 1986;36(6):1123-8.
1986: N R Swerdlow; Mark A Geyer; W W Vale; George F Koob
Corticotropin-releasing factor potentiates acoustic startle in rats: blockade by chlordiazepoxide.
Psychopharmacology 1986;88(2):147-52.
1986: N R Swerdlow; D L Braff; Mark A Geyer; George F Koob
Central dopamine hyperactivity in rats mimics abnormal acoustic startle response in schizophrenics.
Biological psychiatry 1986;21(1):23-33.
1985: Mark A Geyer; R E Butcher; K Fite
A study of startle and locomotor activity in rats exposed prenatally to methylmercury.
Neurobehavioral toxicology and teratology 1985;7(6):759-65.
1985: Mark A Geyer; L W Reiter
Strategies for the selection of test methods.
Neurobehavioral toxicology and teratology 1985;7(6):661-2.
1985: J Buelke-Sam; C A Kimmel; J Adams; C J Nelson; C V Vorhees; D C Wright; V St Omer; B A Korol; R E Butcher; Mark A Geyer
Collaborative Behavioral Teratology Study: results.
Neurobehavioral toxicology and teratology 1985;7(6):591-624.
1985: Mark A Geyer; J Gordon; L M Adams
Behavioral effects of xylamine-induced depletions of brain norepinephrine: interaction with LSD.
Pharmacology, biochemistry, and behavior 1985;23(4):619-25.
1985: L M Adams; Mark A Geyer
A proposed animal model for hallucinogens based on LSD's effects on patterns of exploration in rats.
Behavioral neuroscience 1985;99(5):881-900.
1985: L M Adams; Mark A Geyer
Patterns of exploration in rats distinguish lisuride from lysergic acid diethylamide.
Pharmacology, biochemistry, and behavior 1985;23(3):461-8.
1985: P F Gately; S L Poon; D S Segal; Mark A Geyer
Depletion of brain serotonin by 5,7-dihydroxytryptamine alters the response to amphetamine and the habituation of locomotor activity in rats.
Psychopharmacology 1985;87(4):400-5.
1985: L M Adams; Mark A Geyer
Effects of DOM and DMT in a proposed animal model of hallucinogenic activity.
Progress in neuro-psychopharmacology & biological psychiatry 1985;9(2):121-32.
1984: Mark A Geyer; E H Lee
Effects of clonidine, piperoxane and locus coeruleus lesion on the serotonergic and dopaminergic systems in raphe and caudate nucleus.
Biochemical pharmacology 1984;33(21):3399-404.
1984: E H Lee; Mark A Geyer
Dopamine autoreceptor mediation of the effects of apomorphine on serotonin neurons.
Pharmacology, biochemistry, and behavior 1984;21(2):301-11.
1984: Mark A Geyer; J Gordon; L M Adams
Depletions of central norepinephrine by intraventricular xylamine in rats.
European journal of pharmacology 1984;100(2):227-31.
1984: Mark A Geyer; D S Segal; Benjamin D Greenberg
Increased startle responding in rats treated with phencyclidine.
Neurobehavioral toxicology and teratology 1984;6(2):161-4.
1984: E H Lee; Mark A Geyer
Indirect effects of apomorphine on serotoninergic neurons in rats.
Neuroscience 1984;11(2):437-42.
1983: E H Lee; Mark A Geyer
Similarities of the effects of apomorphine and 3-PPP on serotonin neurons.
European journal of pharmacology 1983;94(3-4):297-303.
1983: S Zheng; H A Berman; Mark A Geyer
Behavior during hippocampal microinfusions: anticholinesterase-induced locomotor activation.
Behavioural brain research 1983;9(3):295-304.
1982: E H Lee; Mark A Geyer
Selective effects of apomorphine on dorsal raphe neurons: a cytofluorimetric study.
Brain research bulletin 1982;9(1-6):719-25.
1982: C Flicker; Mark A Geyer
The hippocampus as a possible site of action for increased locomotion during intracerebral infusions of norepinephrine.
Behavioral and neural biology 1982;34(4):421-6.
1982: Mark A Geyer; C E Flicker; E H Lee
Effects of tactile startle on serotonin content of midbrain raphe neurons in rats.
Behavioural brain research 1982;4(4):369-76.
1982: C Flicker; Mark A Geyer
Behavior during hippocampal microinfusions. III. Lidocaine versus picrotoxin.
Brain research 1982;257(1):129-36.
1982: C Flicker; Mark A Geyer
Behavior during hippocampal microinfusions. II. Muscarinic locomotor activation.
Brain research 1982;257(1):105-27.
1982: C Flicker; Mark A Geyer
Behavior during hippocampal microinfusions. I. Norepinephrine and diversive exploration.
Brain research 1982;257(1):79-103.
1982: C Flicker; Mark A Geyer
Behavior during hippocampal microinfusions. IV. Transmitter interactions.
Brain research 1982;257(1):137-47.
1982: Mark A Geyer; D L Braff
Habituation of the Blink reflex in normals and schizophrenic patients.
Psychophysiology 1982;19(1):1-6.
1982: L M Adams; Mark A Geyer
LSD-induced alterations of locomotor patterns and exploration in rats.
Psychopharmacology 1982;77(2):179-85.
1981: H W Ward; T Pollare; Mark A Geyer
Effects of caffeine on tactile startle in rats.
Pharmacology, biochemistry, and behavior 1981;15(6):875-7.
1981: Mark A Geyer
Effects of levonantradol on habituation of startle in rats.
Journal of clinical pharmacology 1981;21(8-9 Suppl):235S-239S.
1981: L M Adams; Mark A Geyer
Effects of 6-hydroxydopamine lesions of locus coeruleus on startle in rats.
Psychopharmacology 1981;73(4):394-8.
1981: D S Segal; Mark A Geyer; M A Schuckit
Stimulant-induced psychosis: an evaluation of animal methods.
Essays in neurochemistry and neuropharmacology 1981;5():95-129.
1980: D L Braff; Mark A Geyer
Acute and chronic LSD effects on rat startle: data supporting an LSD--rat model of schizophrenia.
Biological psychiatry 1980;15(6):909-16.
1980: Mark A Geyer; L R Petersen; G J Rose
Effects of serotonergic lesions on investigatory responding by rats in a holeboard.
Behavioral and neural biology 1980;30(2):160-77.
1980: E H Lee; Mark A Geyer
Persistent effects of chronic administration of LSD on intracellular serotonin content in rat midbrain.
Neuropharmacology 1980;19(10):1005-7.
1980: J D Warbritton; Mark A Geyer; B Jeppsson; J E Fischer
Decreased startle reactivity in the end-to-side portacaval shunted rat.
Pharmacology, biochemistry, and behavior 1980;12(5):739-42.
1980: Mark A Geyer
Both indoleamine and phenylethylamine hallucinogens increase serotonin in both dorsal and median raphe neurons.
Life sciences 1980;26(6):431-4.
1979: Mark A Geyer; R K Light; G J Rose; L R Petersen; D D Horwitt; L M Adams; R L Hawkins
A characteristic effect of hallucinogens on investigatory responding in rats.
Psychopharmacology 1979;65(1):35-40.
1979: Mark A Geyer; R K Light
LSD-induced alterations of investigatory responding in rats.
Psychopharmacology 1979;65(1):41-7.
1979: Mark A Geyer; G J Rose; L R Petersen
Mescaline increases startle responding equally in normal and raphe-lesioned rats.
Pharmacology, biochemistry, and behavior 1979;10(2):293-8.
1979: J D Warbritton; Mark A Geyer; B W Jeppsson; J E Fischer
Behavioral model of early hepatic encephalopathy in rats.
Surgical forum 1979;30():394-6.
1978: Mark A Geyer; L R Petersen; G J Rose; D D Horwitt; R K Light; L M Adams; J A Zook; R L Hawkins; A J Mandell
The effects of lysergic acid diethylamide and mescaline-derived hallucinogens on sensory-integrative function: tactile startle.
The Journal of pharmacology and experimental therapeutics 1978;207(3):837-47.
1978: Mark A Geyer; W J Dawsey; A J Mandell
Fading: a new cytofluorimetric measure quantifying serotonin in the presence of catecholamines at the cellular level in brain.
The Journal of pharmacology and experimental therapeutics 1978;207(2):650-67.
1978: D Braff; C Stone; E Callaway; Mark A Geyer; I Glick; L Bali
Prestimulus effects on human startle reflex in normals and schizophrenics.
Psychophysiology 1978;15(4):339-43.
1976: D S Segal; Mark A Geyer
Pre- and post-junctional supersensitivity: differentiation by intraventricular infusions of norepinephrine and methoxamine.
Psychopharmacology 1976;50(2):145-8.
1976: Mark A Geyer; A Puerto; D B Menkes; D S Segal; A J Mandell
Behavioral studies following lesions of the mesolimbic and mesostriatal serotonergic pathways.
Brain research 1976;106(2):257-69.
1976: Mark A Geyer; A Puerto; W J Dawsey; S Knapp; W P Bullard; A J Mandell
Histologic and enzymatic studies of the mesolimbic and mesostriatal serotonergic pathways.
Brain research 1976;106(2):241-56.
1976: L L Hsu; Mark A Geyer; A J Mandell
Extrapineal amine N-acetylation in rat brain. Regional and subcellular distribution and enzyme kinetics.
Biochemical pharmacology 1976;25(7):815-9.
1975: D S Segal; Mark A Geyer; B E Weiner
Strain differences during intraventricular infusion of norepinephrine: possible role of receptor sensitivity.
Science (New York, N.Y.) 1975;189(4199):301-3.
1975: Mark A Geyer; J D Warbritton; D B Menkes; J A Zook; A J Mandell
Opposite effects of intraventricular serotonin and bufotenin on rat startle responses.
Pharmacology, biochemistry, and behavior 1975;3(4):687-91.
1975: Mark A Geyer; W J Dawsey; A J Mandell
Differential effects of caffeine, D-amphetamine and methylphenidate on individual raphe cell fluorescence: a microspectrofluorimetric demonstration.
Brain research 1975;85(1):135-9.
1975: Mark A Geyer
Functional heterogeneity within neurotransmitter systems.
Psychopharmacology communications 1975;1(6):675-85.
1974: S Knapp; A J Mandell; Mark A Geyer
Effects of amphetamines on regional tryptophan hydroxylase activity and synaptosomal conversion of tryptophan to 5-hydroxytryptamine in rat brain.
The Journal of pharmacology and experimental therapeutics 1974;189(3):676-89.
1974: D S Segal; C McAllister; Mark A Geyer
Ventricular infusion of norepinephrine and amphetamine: direct versus indirect action.
Pharmacology, biochemistry, and behavior 1974;2(1):79-86.
1974: Mark A Geyer; D S Segal
Shock-induced aggression: opposite effects of intraventricularly infused dopamine and norepinephrine.
Behavioral biology 1974;10(1):99-104.
1973: W C Korevaar; Mark A Geyer; S Knapp; L L Hsu; A J Mandell
Regional distribution of 5-methyltetrahydrofolic acid in brain.
Nature: New biology 1973;245(147):244-5.
1973: Mark A Geyer; D S Segal
Differential effects of reserpine and alpha-methyl-P-tyrosine on norepinephrine and dopamine induced behavioral activity.
Psychopharmacologia 1973;29(2):131-40.
1972: Mark A Geyer; D S Segal; A J Mandell
Effect of intraventricular infusion of dopamine and norepinephrine on motor activity.
Physiology & behavior 1972;8(4):653-8.