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Elemer Szabadi

Research Profile

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Stephanie Body; Christopher M Bradshaw; T H C Cheung; K C F Fone; C M Olarte-Sánchez; L Valencia-Torres; Elemer Szabadi
Pharmacological studies of performance on the free-operant psychophysical procedure.
Graham Niepel; Elemer Szabadi; Janek Vilisaar; Rashid H Bibani; Christopher M Bradshaw; Robert W Langley; Cris S Constantinescu
Association of a deficit of arousal with fatigue in multiple sclerosis: effect of modafinil.
L Valencia-Torres; Stephanie Body; Christopher M Bradshaw; T H C Cheung; K C F Fone; C M Olarte-Sánchez; Elemer Szabadi
Fos expression in the prefrontal cortex and ventral striatum after exposure to a free-operant timing schedule.

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2013: Stephanie Body; Christopher M Bradshaw; T H C Cheung; K C F Fone; C M Olarte-Sánchez; L Valencia-Torres; Elemer Szabadi
Pharmacological studies of performance on the free-operant psychophysical procedure.
Behavioural processes 2013;95():71-89.
2013: Graham Niepel; Elemer Szabadi; Janek Vilisaar; Rashid H Bibani; Christopher M Bradshaw; Robert W Langley; Cris S Constantinescu
Association of a deficit of arousal with fatigue in multiple sclerosis: effect of modafinil.
Neuropharmacology 2013;64():380-8.
2012: L Valencia-Torres; Stephanie Body; Christopher M Bradshaw; T H C Cheung; K C F Fone; C M Olarte-Sánchez; Elemer Szabadi
Fos expression in the prefrontal cortex and ventral striatum after exposure to a free-operant timing schedule.
Behavioural brain research 2012;235(2):273-9.
2012: F S den Boon; C L Hampson; Stephanie Body; Elemer Szabadi; C M Bradshaw; Natasja de Bruin
Effects of amisulpride and aripiprazole on progressive-ratio schedule performance: comparison with clozapine and haloperidol.
Journal of psychopharmacology (Oxford, England) 2012;26(9):1231-43.
2012: C M Olarte-Sánchez; Stephanie Body; L Valencia Torres; C M Bradshaw; H J Cassaday; Elemer Szabadi
Effect of orexin-B-saporin-induced lesions of the lateral hypothalamus on performance on a progressive ratio schedule.
Journal of psychopharmacology (Oxford, England) 2012;26(6):871-86.
2012: C M Olarte-Sánchez; Stephanie Body; Elemer Szabadi; L Valencia Torres; C M Bradshaw; H J Cassaday; A J Goudie
A clozapine-like effect of cyproheptadine on progressive ratio schedule performance.
Journal of psychopharmacology (Oxford, England) 2012;26(6):857-70.
2012: L Valencia-Torres; Stephanie Body; Christopher M Bradshaw; K C F Fone; C M Olarte-Sánchez; Elemer Szabadi
Fos expression in the orbital prefrontal cortex after exposure to the fixed-interval peak procedure.
Behavioural brain research 2012;229(2):372-7.
2011: L Valencia Torres; C M Olarte Sanchez; Stephanie Body; Christopher M Bradshaw; S da Costa Araújo; Elemer Szabadi
Transitional and steady-state choice behavior under an adjusting-delay schedule.
Journal of the experimental analysis of behavior 2011;95(1):57-74.
2010: S da Costa Araújo; Stephanie Body; L Valencia Torres; C M Olarte Sanchez; V K Bak; J F W Deakin; Ian M Anderson; Christopher M Bradshaw; Elemer Szabadi
Choice between reinforcer delays versus choice between reinforcer magnitudes: differential Fos expression in the orbital prefrontal cortex and nucleus accumbens core.
Behavioural brain research 2010;213(2):269-77.
2010: C L Hampson; Stephanie Body; F S den Boon; T H C Cheung; Gilbert Bezzina; R W Langley; Kevin C F Fone; Christopher M Bradshaw; Elemer Szabadi
Comparison of the effects of 2,5-dimethoxy-4-iodoamphetamine and D-amphetamine on the ability of rats to discriminate the durations and intensities of light stimuli.
Behavioural pharmacology 2010;21(1):11-20.
2009: S da Costa Araújo; Stephanie Body; C L Hampson; R W Langley; J F W Deakin; Ian M Anderson; Christopher M Bradshaw; Elemer Szabadi
Effects of lesions of the nucleus accumbens core on inter-temporal choice: further observations with an adjusting-delay procedure.
Behavioural brain research 2009;202(2):272-7.
2009: Gilbert Bezzina; T H C Cheung; Stephanie Body; J F W Deakin; Ian M Anderson; Christopher M Bradshaw; Elemer Szabadi
Quantitative analysis of the effect of lesions of the subthalamic nucleus on intertemporal choice: further evidence for enhancement of the incentive value of food reinforcers.
Behavioural pharmacology 2009;20(5-6):437-46.
2009: Stephanie Body; T H C Cheung; C L Hampson; F S den Boon; Gilbert Bezzina; Kevin C F Fone; Christopher M Bradshaw; Elemer Szabadi
Attenuation of the effects of d-amphetamine on interval timing behavior by central 5-hydroxytryptamine depletion.
Psychopharmacology 2009;203(3):547-59.
2009: Jonathan F Rickard; Stephanie Body; Z Zhang; Christopher M Bradshaw; Elemer Szabadi
Effect of reinforcer magnitude on performance maintained by progressive-ratio schedules.
Journal of the experimental analysis of behavior 2009;91(1):75-87.
2008: Gilbert Bezzina; F S den Boon; C L Hampson; T H C Cheung; Stephanie Body; Christopher M Bradshaw; Elemer Szabadi; Ian M Anderson; J F W Deakin
Effect of quinolinic acid-induced lesions of the subthalamic nucleus on performance on a progressive-ratio schedule of reinforcement: a quantitative analysis.
Behavioural brain research 2008;195(2):223-30.
2008: Ebony R Samuels; Elemer Szabadi
Functional neuroanatomy of the noradrenergic locus coeruleus: its roles in the regulation of arousal and autonomic function part II: physiological and pharmacological manipulations and pathological alterations of locus coeruleus activity in humans.
Current neuropharmacology 2008;6(3):254-85.
2008: Ebony R Samuels; Elemer Szabadi
Functional neuroanatomy of the noradrenergic locus coeruleus: its roles in the regulation of arousal and autonomic function part I: principles of functional organisation.
Current neuropharmacology 2008;6(3):235-53.
2008: Gilbert Bezzina; Stephanie Body; T H C Cheung; C L Hampson; Christopher M Bradshaw; Elemer Szabadi; Ian M Anderson; J F W Deakin
Effect of disconnecting the orbital prefrontal cortex from the nucleus accumbens core on inter-temporal choice behaviour: a quantitative analysis.
Behavioural brain research 2008;191(2):272-9.
2008: Gilbert Bezzina; Stephanie Body; T H C Cheung; C L Hampson; J F W Deakin; Ian M Anderson; Elemer Szabadi; Christopher M Bradshaw
Effect of quinolinic acid-induced lesions of the nucleus accumbens core on performance on a progressive ratio schedule of reinforcement: implications for inter-temporal choice.
Psychopharmacology 2008;197(2):339-50.
2007: T H C Cheung; Gilbert Bezzina; C L Hampson; Stephanie Body; Kevin C F Fone; Christopher M Bradshaw; Elemer Szabadi
Evidence for the sensitivity of operant timing behaviour to stimulation of D1 dopamine receptors.
Psychopharmacology 2007;195(2):213-22.
2007: Gilbert Bezzina; T H C Cheung; Karim Asgari; C L Hampson; Stephanie Body; Christopher M Bradshaw; Elemer Szabadi; J F W Deakin; Ian M Anderson
Effects of quinolinic acid-induced lesions of the nucleus accumbens core on inter-temporal choice: a quantitative analysis.
Psychopharmacology 2007;195(1):71-84.
2007: Ruihua H Hou; Ebony R Samuels; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
Arousal and the pupil: why diazepam-induced sedation is not accompanied by miosis.
Psychopharmacology 2007;195(1):41-59.
2007: Ebony R Samuels; Ruihua H Hou; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
Comparison of pramipexole with and without domperidone co-administration on alertness, autonomic, and endocrine functions in healthy volunteers.
British journal of clinical pharmacology 2007;64(5):591-602.
2007: Ebony R Samuels; Ruihua H Hou; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
Modulation of the acoustic startle response by the level of arousal: comparison of clonidine and modafinil in healthy volunteers.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 2007;32(11):2405-21.
2007: T H C Cheung; Gilbert Bezzina; C L Hampson; Stephanie Body; Kevin C F Fone; Christopher M Bradshaw; Elemer Szabadi
Effect of quinpirole on timing behaviour in the free-operant psychophysical procedure: evidence for the involvement of D2 dopamine receptors.
Psychopharmacology 2007;193(3):423-36.
2007: Ruihua H Hou; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
Comparison of diphenhydramine and modafinil on arousal and autonomic functions in healthy volunteers.
Journal of psychopharmacology (Oxford, England) 2007;21(6):567-78.
2007: T H C Cheung; Gilbert Bezzina; Stephanie Body; Kevin C F Fone; Christopher M Bradshaw; Elemer Szabadi
Tolerance to the effect of 2,5-dimethoxy-4-iodoamphetamine (DOI) on free-operant timing behaviour: interaction between behavioural and pharmacological mechanisms.
Psychopharmacology 2007;192(4):521-35.
2007: Jessica Scaife; Ruihua H Hou; Ebony R Samuels; F Baqui; Robert W Langley; Christopher M Bradshaw; Elemer Szabadi
Diazepam-induced disruption of classically-conditioned fear-potentiation of late-latency auditory evoked potentials is prevented by flumazenil given before, but not after, CS/US pairing.
Journal of psychopharmacology (Oxford, England) 2007;21(1):93-101.
2006: Stephanie Body; T H C Cheung; Gilbert Bezzina; Karim Asgari; Kevin C F Fone; Jeffrey C Glennon; Christopher M Bradshaw; Elemer Szabadi
Effects of d-amphetamine and DOI (2,5-dimethoxy-4-iodoamphetamine) on timing behavior: interaction between D1 and 5-HT2A receptors.
Psychopharmacology 2006;189(3):331-43.
2006: Ebony R Samuels; Ruihua H Hou; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
Comparison of pramipexole and modafinil on arousal, autonomic, and endocrine functions in healthy volunteers.
Journal of psychopharmacology (Oxford, England) 2006;20(6):756-70.
2006: Ebony R Samuels; Ruihua H Hou; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
Comparison of pramipexole and amisulpride on alertness, autonomic and endocrine functions in healthy volunteers.
Psychopharmacology 2006;187(4):498-510.
2006: Jessica Scaife; J Groves; Robert W Langley; Christopher M Bradshaw; Elemer Szabadi
Sensitivity of late-latency auditory and somatosensory evoked potentials to threat of electric shock and the sedative drugs diazepam and diphenhydramine in human volunteers.
Journal of psychopharmacology (Oxford, England) 2006;20(4):485-95.
2006: Elemer Szabadi
Drugs for sleep disorders: mechanisms and therapeutic prospects.
British journal of clinical pharmacology 2006;61(6):761-6.
2006: Ruihua H Hou; Jessica Scaife; Clare Freeman; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
Relationship between sedation and pupillary function: comparison of diazepam and diphenhydramine.
British journal of clinical pharmacology 2006;61(6):752-60.
2006: T H C Cheung; Gilbert Bezzina; Karim Asgari; Stephanie Body; Kevin C F Fone; Christopher M Bradshaw; Elemer Szabadi
Evidence for a role of D1 dopamine receptors in d-amphetamine's effect on timing behaviour in the free-operant psychophysical procedure.
Psychopharmacology 2006;185(3):378-88.
2006: Stephanie Body; Karim Asgari; T H C Cheung; Gilbert Bezzina; K F C Fone; Jeffrey C Glennon; Christopher M Bradshaw; Elemer Szabadi
Evidence that the effect of 5-HT2 receptor stimulation on temporal differentiation is not mediated by receptors in the dorsal striatum.
Behavioural processes 2006;71(2-3):258-67.
2006: Karim Asgari; Stephanie Body; Z Zhang; Kevin C F Fone; Christopher M Bradshaw; Elemer Szabadi
Effects of 5-HT1A and 5-HT2A receptor stimulation on temporal differentiation performance in the fixed-interval peak procedure.
Behavioural processes 2006;71(2-3):250-7.
2006: Karim Asgari; Stephanie Body; Victoria K Bak; Zhong-Qi Zhang; Jonathan F Rickard; Jeffrey C Glennon; Kevin C F Fone; Christopher M Bradshaw; Elemer Szabadi
Effects of 5-HT2A receptor stimulation on the discrimination of durations by rats.
Behavioural pharmacology 2006;17(1):51-9.
2006: Ruihua H Hou; Ebony R Samuels; M Raisi; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
Why patients with Alzheimer's disease may show increased sensitivity to tropicamide eye drops: role of locus coeruleus.
Psychopharmacology 2006;184(1):95-106.
2005: Ruihua H Hou; Clare Freeman; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
Does modafinil activate the locus coeruleus in man? Comparison of modafinil and clonidine on arousal and autonomic functions in human volunteers.
Psychopharmacology 2005;181(3):537-49.
2005: Stephanie Body; Karim Asgari; Jonathan F Rickard; Z Zhang; Kevin C F Fone; Christopher M Bradshaw; Elemer Szabadi
Effects of quipazine and m-chlorophenylbiguanide (m-CPBG) on temporal differentiation: evidence for the involvement of 5-HT2A but not 5-HT3 receptors in interval timing behaviour.
Psychopharmacology 2005;181(2):289-98.
2005: Z Zhang; Jonathan F Rickard; Stephanie Body; Karim Asgari; Christopher M Bradshaw; Elemer Szabadi
Comparison of the effects of clozapine and 8-hydroxy-2-(di-n-propylamino)tetralin (8-OH-DPAT) on progressive ratio schedule performance: evidence against the involvement of 5-HT1A receptors in the behavioural effects of clozapine.
Psychopharmacology 2005;181(2):381-91.
2005: Jessica Scaife; Robert W Langley; Christopher M Bradshaw; Elemer Szabadi
Diazepam suppresses the acquisition but not the expression of 'fear-potentiation' of the acoustic startle response in man.
Journal of psychopharmacology (Oxford, England) 2005;19(4):347-56.
2005: SJ Graham; Jessica Scaife; Robert W Langley; Christopher M Bradshaw; Elemer Szabadi; L Xi; Tami M Crumley; N Calder; K Gottesdiener; J A Wagner
Effects of lorazepam on fear-potentiated startle responses in man.
Journal of psychopharmacology (Oxford, England) 2005;19(3):249-58.
2005: Z Zhang; Jonathan F Rickard; Karim Asgari; Stephanie Body; Christopher M Bradshaw; Elemer Szabadi
Quantitative analysis of the effects of some "atypical" and "conventional" antipsychotics on progressive ratio schedule performance.
Psychopharmacology 2005;179(2):489-97.
2005: Karim Asgari; Stephanie Body; Jonathan F Rickard; Z Zhang; Kevin C F Fone; Christopher M Bradshaw; Elemer Szabadi
Effects of quipazine and m-chlorophenylbiguanide (m-CPBG) on the discrimination of durations: evidence for the involvement of 5-HT2A but not 5-HT3 receptors.
Behavioural pharmacology 2005;16(1):43-51.
2005: S Kheramin; Stephanie Body; F Miranda Herrera; Christopher M Bradshaw; Elemer Szabadi; J F W Deakin; Ian M Anderson
The effect of orbital prefrontal cortex lesions on performance on a progressive ratio schedule: implications for models of inter-temporal choice.
Behavioural brain research 2005;156(1):145-52.
2004: Stephanie Body; S Kheramin; MY Ho; F Miranda Herrera; Christopher M Bradshaw; Elemer Szabadi
Effects of fenfluramine on free-operant timing behaviour: evidence for involvement of 5-HT2A receptors.
Psychopharmacology 2004;176(2):154-65.
2004: Elemer Szabadi; Christopher M Bradshaw; Clare Freeman; Jessica Scaife; Ruihua H Hou; Robert W Langley
The histaminergic system of the brain: its roles in arousal and autonomic regulation.
Neuropsychopharmacologia Hungarica : a Magyar Pszichofarmakológiai Egyesület lapja = official journal of the Hungarian Association of Psychopharmacology 2004;6(3):163-4.
2004: S Kheramin; Stephanie Body; MY Ho; D N Velázquez-Martinez; Christopher M Bradshaw; Elemer Szabadi; J F W Deakin; Ian M Anderson
Effects of orbital prefrontal cortex dopamine depletion on inter-temporal choice: a quantitative analysis.
Psychopharmacology 2004;175(2):206-14.
2004: SJ Graham; Jessica Scaife; A M Balboa Verduzco; Robert W Langley; Christopher M Bradshaw; Elemer Szabadi
Effects of quetiapine and haloperidol on prepulse inhibition of the acoustic startle (eyeblink) response and the N1/P2 auditory evoked response in man.
Journal of psychopharmacology (Oxford, England) 2004;18(2):173-80.
2004: P Bitsios; Elemer Szabadi; Christopher M Bradshaw
The fear-inhibited light reflex: importance of the anticipation of an aversive event.
International journal of psychophysiology : official journal of the International Organization of Psychophysiology 2004;52(1):87-95.
2003: Stephanie Body; S Kheramin; MY Ho; F Miranda; Christopher M Bradshaw; Elemer Szabadi
Effects of a 5-HT2 receptor agonist, DOI (2,5-dimethoxy-4-iodoamphetamine), and antagonist, ketanserin, on the performance of rats on a free-operant timing schedule.
Behavioural pharmacology 2003;14(8):599-607.
2003: MY Ho; Stephanie Body; S Kheramin; Christopher M Bradshaw; Elemer Szabadi
Effects of 8-OH-DPAT and WAY-100635 on performance on a time-constrained progressive-ratio schedule.
Psychopharmacology 2003;167(2):137-44.
2002: Stephanie Body; S Kheramin; S Mobini; MY Ho; D N Velazquez-Martinez; Christopher M Bradshaw; Elemer Szabadi
Antagonism by WAY-100635 of the effects of 8-OH-DPAT on performance on a free-operant timing schedule in intact and 5-HT-depleted rats.
Behavioural pharmacology 2002;13(8):603-14.
2002: S Kheramin; Stephanie Body; S Mobini; MY Ho; D N Velázquez-Martinez; Christopher M Bradshaw; Elemer Szabadi; J F W Deakin; Ian M Anderson
Effects of quinolinic acid-induced lesions of the orbital prefrontal cortex on inter-temporal choice: a quantitative analysis.
Psychopharmacology 2002;165(1):9-17.
2002: Elemer Szabadi
Neuropharmacology and behavioral pharmacology.
IDrugs : the investigational drugs journal 2002;5(8):737-40.
2002: Stephanie Body; TJ Chiang; S Mobini; MY Ho; Christopher M Bradshaw; Elemer Szabadi
Effect of 8-OH-DPAT on temporal discrimination following central 5-hydroxytryptamine depletion.
Pharmacology, biochemistry, and behavior 2002;71(4):787-93.
2002: MY Ho; D N Velázquez-Martínez; Christopher M Bradshaw; Elemer Szabadi
5-Hydroxytryptamine and interval timing behaviour.
Pharmacology, biochemistry, and behavior 2002;71(4):773-85.
2002: SJ Graham; Robert W Langley; Verduzco A M Balboa; Christopher M Bradshaw; Elemer Szabadi
Effects of ketanserin and haloperidol on prepulse inhibition of the acoustic startle (eyeblink) response and the N1/P2 auditory evoked response in man.
Journal of psychopharmacology (Oxford, England) 2002;16(1):15-22.
2002: S Mobini; Stephanie Body; MY Ho; Christopher M Bradshaw; Elemer Szabadi; J F W Deakin; Ian M Anderson
Effects of lesions of the orbitofrontal cortex on sensitivity to delayed and probabilistic reinforcement.
Psychopharmacology 2002;160(3):290-8.
2002: P Bitsios; Elemer Szabadi; Christopher M Bradshaw
Relationship of the 'fear-inhibited light reflex' to the level of state/trait anxiety in healthy subjects.
International journal of psychophysiology : official journal of the International Organization of Psychophysiology 2002;43(2):177-84.
2001: SJ Graham; Robert W Langley; Christopher M Bradshaw; Elemer Szabadi
Effects of haloperidol and clozapine on prepulse inhibition of the acoustic startle response and the N1/P2 auditory evoked potential in man.
Journal of psychopharmacology (Oxford, England) 2001;15(4):243-50.
2001: KA Abduljawad; Robert W Langley; Christopher M Bradshaw; Elemer Szabadi
Effects of clonidine and diazepam on prepulse inhibition of the acoustic startle response and the N1/P2 auditory evoked potential in man.
Journal of psychopharmacology (Oxford, England) 2001;15(4):237-42.
2001: Stephanie Body; TJ Chiang; S Mobini; MY Ho; Christopher M Bradshaw; Elemer Szabadi
Failure of central 5-hydroxytryptamine depletion to alter the effect of 8-hydroxy-2-(di-n-propylamino)tetralin (8-OH-DPAT) on timing performance on the free-operant psychophysical procedure.
Psychopharmacology 2001;158(3):305-13.
2001: J L Pretorius; M Phillips; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
Comparison of clozapine and haloperidol on some autonomic and psychomotor functions, and on serum prolactin concentration, in healthy subjects.
British journal of clinical pharmacology 2001;52(3):322-6.
2001: AH Abdelmawla; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
Comparison of the effects of nadolol and bisoprolol on the isoprenaline-evoked dilatation of the dorsal hand vein in man.
British journal of clinical pharmacology 2001;51(6):583-9.
2000: S Mobini; TJ Chiang; MY Ho; Christopher M Bradshaw; Elemer Szabadi
Effects of central 5-hydroxytryptamine depletion on sensitivity to delayed and probabilistic reinforcement.
Psychopharmacology 2000;152(4):390-7.
2000: W M Banjar; J Gazzaz; Robert W Langley; Christopher M Bradshaw; Elemer Szabadi
Effects of high ambient temperature on parasympathetically mediated cardiovascular reflexes in normal man.
British journal of clinical pharmacology 2000;50(4):360-5.
2000: S Mobini; TJ Chiang; MY Ho; Christopher M Bradshaw; Elemer Szabadi
Comparison of the effects of clozapine, haloperidol, chlorpromazine and d-amphetamine on performance on a time-constrained progressive ratio schedule and on locomotor behaviour in the rat.
Psychopharmacology 2000;152(1):47-54.
2000: TJ Chiang; AS al-Ruwaitea; S Mobini; MY Ho; Christopher M Bradshaw; Elemer Szabadi
Effects of 8-hydroxy-2-(di-n-propylamino)tetralin (8-OH-DPAT) on performance on two operant timing schedules.
Psychopharmacology 2000;151(4):379-91.
2000: MA Phillips; Elemer Szabadi; Christopher M Bradshaw
Comparison of the effects of clonidine and yohimbine on pupillary diameter at different illumination levels.
British journal of clinical pharmacology 2000;50(1):65-8.
2000: TJ Chiang; AS al-Ruwaitea; S Mobini; MY Ho; Christopher M Bradshaw; Elemer Szabadi
The effect of d-amphetamine on performance on two operant timing schedules.
Psychopharmacology 2000;150(2):170-84.
2000: MA Phillips; Elemer Szabadi; Christopher M Bradshaw
Comparison of the effects of clonidine and yohimbine on spontaneous pupillary fluctuations in healthy human volunteers.
Psychopharmacology 2000;150(1):85-9.
2000: S Mobini; TJ Chiang; AS al-Ruwaitea; MY Ho; Christopher M Bradshaw; Elemer Szabadi
Effect of central 5-hydroxytryptamine depletion on inter-temporal choice: a quantitative analysis.
Psychopharmacology 2000;149(3):313-8.
2000: MA Phillips; P Bitsios; Elemer Szabadi; Christopher M Bradshaw
Comparison of the antidepressants reboxetine, fluvoxamine and amitriptyline upon spontaneous pupillary fluctuations in healthy human volunteers.
Psychopharmacology 2000;149(1):72-6.
2000: MA Phillips; Robert W Langley; Christopher M Bradshaw; Elemer Szabadi
The effects of some antidepressant drugs on prepulse inhibition of the acoustic startle (eyeblink) response and the N1/P2 auditory evoked response in man.
Journal of psychopharmacology (Oxford, England) 2000;14(1):40-5.
2000: S J Tavernor; KA Abduljawad; Robert W Langley; Christopher M Bradshaw; Elemer Szabadi
Effects of pentagastrin and the cold pressor test on the acoustic startle response and pupillary function in man.
Journal of psychopharmacology (Oxford, England) 2000;14(4):387-94.
2000: MA Phillips; E K Oxtoby; Robert W Langley; Christopher M Bradshaw; Elemer Szabadi
Effects of acute tryptophan depletion on prepulse inhibition of the acoustic startle (eyeblink) response and the N1/P2 auditory evoked response in man.
Journal of psychopharmacology (Oxford, England) 2000;14(3):258-65.
1999: MA Phillips; Elemer Szabadi; Christopher M Bradshaw
The effects of the novel anxiolytic drug lesopitron, a full and selective 5-HT1A receptor agonist, on pupil diameter and oral temperature in man: comparison with buspirone.
Journal of psychopharmacology (Oxford, England) 1999;13(4):391-7.
1999: MY Ho; S Mobini; TJ Chiang; Christopher M Bradshaw; Elemer Szabadi
Theory and method in the quantitative analysis of "impulsive choice" behaviour: implications for psychopharmacology.
Psychopharmacology 1999;146(4):362-72.
1999: AH Abdelmawla; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
Comparison of the effects of venlafaxine, desipramine, and paroxetine on noradrenaline- and methoxamine-evoked constriction of the dorsal hand vein.
British journal of clinical pharmacology 1999;48(3):345-54.
1999: V N Vidalaki; MY Ho; Christopher M Bradshaw; Elemer Szabadi
Interval timing performance in temporal lobe epilepsy: differences between patients with left and right hemisphere foci.
Neuropsychologia 1999;37(9):1061-70.
1999: AS al-Ruwaitea; TJ Chiang; MY Ho; Christopher M Bradshaw; Elemer Szabadi
Effect of central 5-hydroxytryptamine depletion on changeover behaviour in concurrent schedules of reinforcement.
Psychopharmacology 1999;144(3):264-71.
1999: P Bitsios; Elemer Szabadi; Christopher M Bradshaw
Comparison of the effects of venlafaxine, paroxetine and desipramine on the pupillary light reflex in man.
Psychopharmacology 1999;143(3):286-92.
1999: TJ Chiang; AS al-Ruwaitea; MY Ho; Christopher M Bradshaw; Elemer Szabadi
Effect of central 5-hydroxytryptamine depletion on performance in the free-operant psychophysical procedure: facilitation of switching, but no effect on temporal differentiation of responding.
Psychopharmacology 1999;143(2):166-73.
1999: P Bitsios; A Philpott; Robert W Langley; Christopher M Bradshaw; Elemer Szabadi
Comparison of the effects of diazepam on the fear-potentiated startle reflex and the fear-inhibited light reflex in man.
Journal of psychopharmacology (Oxford, England) 1999;13(3):226-34.
1999: KA Abduljawad; Robert W Langley; Christopher M Bradshaw; Elemer Szabadi
Effects of bromocriptine and haloperidol on prepulse inhibition: comparison of the acoustic startle eyeblink response and the N1/P2 auditory-evoked response in man.
Journal of psychopharmacology (Oxford, England) 1999;13(1):3-9.
1999: AS al-Ruwaitea; TJ Chiang; SS al-Zahrani; MY Ho; Christopher M Bradshaw; Elemer Szabadi
Effect of central 5-hydroxytryptamine depletion on tolerance of delay of reinforcement: evidence from performance in a discrete-trials "time-left" procedure.
Psychopharmacology 1999;141(1):22-9.
1998: P Bitsios; Robert W Langley; S Tavernor; K Pyykkö; Mika Scheinin; Elemer Szabadi; Christopher M Bradshaw
Comparison of the effects of moclobemide and selegiline on tyramine-evoked mydriasis in man.
British journal of clinical pharmacology 1998;45(6):551-8.
1998: SS al-Zahrani; AS al-Ruwaitea; MY Ho; Christopher M Bradshaw; Elemer Szabadi
Effect of destruction of noradrenergic neurones with DSP4 on performance on a free-operant timing schedule.
Psychopharmacology 1998;136(3):235-42.
1998: AH Abdelmawla; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
Comparison of the effects of nadolol and bisoprolol on noradrenaline-evoked venoconstriction in man in vivo.
British journal of clinical pharmacology 1998;45(3):271-6.
1998: KA Abduljawad; Robert W Langley; Christopher M Bradshaw; Elemer Szabadi
Effects of bromocriptine and haloperidol on prepulse inhibition of the acoustic startle response in man.
Journal of psychopharmacology (Oxford, England) 1998;12(3):239-45.
1998: P Bitsios; Elemer Szabadi; Christopher M Bradshaw
The effects of clonidine on the fear-inhibited light reflex.
Journal of psychopharmacology (Oxford, England) 1998;12(2):137-45.
1998: MY Ho; SS al-Zahrani; AS al-Ruwaitea; Christopher M Bradshaw; Elemer Szabadi
5-hydroxytryptamine and impulse control: prospects for a behavioural analysis.
Journal of psychopharmacology (Oxford, England) 1998;12(1):68-78.
1998: P Bitsios; Elemer Szabadi; Christopher M Bradshaw
Sensitivity of the fear-inhibited light reflex to diazepam.
Psychopharmacology 1998;135(1):93-8.
1997: AS al-Ruwaitea; SS al-Zahrani; MY Ho; Christopher M Bradshaw; Elemer Szabadi
Effect of central 5-hydroxytryptamine depletion on performance in the "time-left" procedure: further evidence for a role of the 5-hydroxytryptaminergic pathways in behavioural "switching".
Psychopharmacology 1997;134(2):179-86.
1997: AH Abdelmawla; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
Bisoprolol attenuates noradrenaline- and phenylephrine-evoked venoconstriction in man in vivo.
British journal of clinical pharmacology 1997;44(1):61-8.
1997: R Prettyman; P Bitsios; Elemer Szabadi
Altered pupillary size and darkness and light reflexes in Alzheimer's disease.
Journal of neurology, neurosurgery, and psychiatry 1997;62(6):665-8.
1997: SS al-Zahrani; AS al-Ruwaitea; MY Ho; Christopher M Bradshaw; Elemer Szabadi
Destruction of central noradrenergic neurones with DSP4 impairs the acquisition of temporal discrimination but does not affect memory for duration in a delayed conditional discrimination task.
Psychopharmacology 1997;130(2):166-73.
1997: D K Arya; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
Comparison of the effects of high ambient temperature and clonidine on autonomic functions in man.
Naunyn-Schmiedeberg's archives of pharmacology 1997;355(3):376-83.
1997: SS al-Zahrani; MY Ho; AS al-Ruwaitea; Christopher M Bradshaw; Elemer Szabadi
Effect of destruction of the 5-hydroxytryptaminergic pathways on temporal memory: quantitative analysis with a delayed interval bisection task.
Psychopharmacology 1997;129(1):48-55.
1997: KA Abduljawad; Robert W Langley; Christopher M Bradshaw; Elemer Szabadi
Effects of clonidine and diazepam on the acoustic startle response and on its inhibition by 'prepulses' in man.
Journal of psychopharmacology (Oxford, England) 1997;11(1):29-34.
1996: P Bitsios; R Prettyman; Elemer Szabadi
Changes in autonomic function with age: a study of pupillary kinetics in healthy young and old people.
Age and ageing 1996;25(6):432-8.
1996: SS al-Zahrani; MY Ho; D N Velazquez Martinez; M Lopez Cabrera; Christopher M Bradshaw; Elemer Szabadi
Effect of destruction of the 5-hydroxytryptaminergic pathways on behavioural timing and "switching" in a free-operant psychophysical procedure.
Psychopharmacology 1996;127(4):346-52.
1996: AH Abdelmawla; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
Cumulative and noncumulative dose-response curves to noradrenaline on the dorsal hand vein.
Journal of pharmacological and toxicological methods 1996;36(2):77-80.
1996: S A Mortlock; Robert W Langley; Christopher M Bradshaw; Elemer Szabadi
Effect of locally applied prazosin on the kinetics of the pupillary light reflex.
British journal of clinical pharmacology 1996;42(2):236-8.
1996: AH Abdelmawla; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
The opposite effects of amitriptyline on noradrenaline- and methoxamine-evoked venoconstriction in man.
Naunyn-Schmiedeberg's archives of pharmacology 1996;354(1):25-9.
1996: MY Ho; SS al-Zahrani; D N Velazquez Martinez; M Lopez Cabrera; Christopher M Bradshaw; Elemer Szabadi
Effects of desipramine and fluvoxamine on timing behavior investigated with the fixed-interval peak procedure and the interval bisection task.
Psychopharmacology 1996;125(3):274-84.
1996: P Bitsios; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
Comparison of the effects of clonidine on tyramine- and methoxamine-evoked mydriasis in man.
British journal of clinical pharmacology 1996;41(4):269-75.
1996: AH Abdelmawla; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
Effects of different congestion pressures on the diameter of the dorsal hand vein and on its apparent sensitivity to noradrenaline.
Naunyn-Schmiedeberg's archives of pharmacology 1996;353(3):324-7.
1996: P Bitsios; Elemer Szabadi; Christopher M Bradshaw
The inhibition of the pupillary light reflex by the threat of an electric shock: a potential laboratory model of human anxiety.
Journal of psychopharmacology (Oxford, England) 1996;10(4):279-87.
1996: SS al-Zahrani; MY Ho; D N Martinez; M L Cabrera; Christopher M Bradshaw; Elemer Szabadi
Effect of destruction of the 5-hydroxytryptaminergic pathways on the acquisition of temporal discrimination and memory for duration in a delayed conditional discrimination task.
Psychopharmacology 1996;123(1):103-10.
1995: AH Abdelmawla; Robert W Langley; Elemer Szabadi; Christopher M Bradshaw
Comparison of the effects of desipramine on noradrenaline- and methoxamine-evoked venoconstriction in man.
British journal of clinical pharmacology 1995;40(5):445-51.
1995: MY Ho; SS al-Zahrani; D N Velazquez Martinez; M Lopez Cabrera; Christopher M Bradshaw; Elemer Szabadi
The role of the ascending 5-hydroxytryptaminergic pathways in timing behaviour: further observations with the interval bisection task.
Psychopharmacology 1995;120(2):213-9.
1995: MY Ho; D N Velazquez Martinez; M Lopez Cabrera; SS al-Zahrani; Christopher M Bradshaw; Elemer Szabadi
Retarded acquisition of a temporal discrimination following destruction of noradrenergic neurones by systemic treatment with DSP4.
Psychopharmacology 1995;118(3):332-7.