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Karl-Jürgen Bär

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Stefan Brodoehl; Carsten Klingner; Hajo Mentzel; Karl-Jürgen Bär
Transcortical motor aphasia and unilateral parkinsonism in a case of hyperostosis frontalis.
Michael Karl Boettger; David Grossmann; Karl-Jürgen Bär
Thresholds and perception of cold pain, heat pain, and the thermal grill illusion in patients with major depressive disorder.
Janneke Terhaar; Filipa Campos Viola; Karl-Jürgen Bär; Stefan Debener
Heartbeat evoked potentials mirror altered body perception in depressed patients.

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All Publications

2013: Stefan Brodoehl; Carsten Klingner; Hajo Mentzel; Karl-Jürgen Bär
Transcortical motor aphasia and unilateral parkinsonism in a case of hyperostosis frontalis.
Neurology 2013;80(16):1536-7.
2013: Michael Karl Boettger; David Grossmann; Karl-Jürgen Bär
Thresholds and perception of cold pain, heat pain, and the thermal grill illusion in patients with major depressive disorder.
Psychosomatic medicine 2013;75(3):281-7.
2012: Janneke Terhaar; Filipa Campos Viola; Karl-Jürgen Bär; Stefan Debener
Heartbeat evoked potentials mirror altered body perception in depressed patients.
Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2012;123(10):1950-7.
2012: Sandy Berger; Anna Kliem; Vikram Yeragani; Karl-Jürgen Bär
Cardio-respiratory coupling in untreated patients with major depression.
Journal of affective disorders 2012;139(2):166-71.
2012: Thomas Jochum; Marion Schein; Rico Schröder; Steffen Schulz; Andreas Voss; Karl-Jürgen Bär
Heart rate turbulence during acute alcohol withdrawal syndrome.
Drug and alcohol dependence 2012;122(3):253-7.
2012: Delfina de Achával; Jazmín Douer; Martina C Mora; Charles Nemeroff; Mirta F Villarreal; Karl-Jürgen Bär; Mariana N Castro; Elvina Chu; Elsa Y Costanzo; Salvador Guinjoan
Decreased activity in right-hemisphere structures involved in social cognition in siblings discordant for schizophrenia.
Schizophrenia research 2012;134(2-3):171-9.
2011: Thomas Jochum; Steffen Schulz; Andrea Seeck; Andreas Voss; Markus Weissenfels; Michael Karl Boettger; Karl-Jürgen Bär
Endothelial dysfunction during acute alcohol withdrawal syndrome.
Drug and alcohol dependence 2011;119(1-2):113-22.
2011: Thomas Weiss; Dorothee A Giersch; Wolfgang H R Miltner; Heinrich Sauer; Karl-Jürgen Bär
Perception to laser heat stimuli in depressed patients is reduced to Aδ- and selective C-fiber stimulation.
Neuroscience letters 2011;498(1):89-92.
2011: Anna-Karoline Israel; Andrea Seeck; Michael Karl Boettger; Tobias Rachow; Sandy Berger; Andreas Voss; Karl-Jürgen Bär
Peripheral endothelial dysfunction in patients suffering from acute schizophrenia: a potential marker for cardiovascular morbidity?
Schizophrenia research 2011;128(1-3):44-50.
2011: Karl-Jürgen Bär; Janneke Terhaar; Michael Karl Boettger; Silke Boettger; Sandy Berger; Thomas Weiss
Pseudohypoalgesia on the skin: a novel view on the paradox of pain perception in depression.
Journal of clinical psychopharmacology 2011;31(1):103-7.
2011: Michael Karl Boettger; Christiane Schwier; Karl-Jürgen Bär
Sad mood increases pain sensitivity upon thermal grill illusion stimulation: implications for central pain processing.
Pain 2011;152(1):123-30.
2010: Karl-Jürgen Bär; Anna Schuhmacher; Susanne Höfels; Steffen Schulz; Andreas Voss; Vikram K Yeragani; Wolfgang Maier; Astrid Zobel
Reduced cardio-respiratory coupling after treatment with nortriptyline in contrast to S-citalopram.
Journal of affective disorders 2010;127(1-3):266-73.
2010: Mandy Koschke; Michael Karl Boettger; Claudia Macholdt; Steffen Schulz; Vikram K Yeragani; Andreas Voss; Karl-Jürgen Bär
Increased QT variability in patients with anorexia nervosa--an indicator for increased cardiac mortality?
The International journal of eating disorders 2010;43(8):743-50.
2010: Sandy Berger; Michael Hocke; Karl-Jürgen Bär
Gastric dysmotility in healthy first-degree relatives of patients with schizophrenia.
Progress in neuro-psychopharmacology & biological psychiatry 2010;34(7):1294-9.
2010: Karl-Jürgen Bär; Andreas Ebert; Michael Karl Boettger; Sebastian Merz; Michael Kiehntopf; Thomas Jochum; Georg Juckel; Marcus Willi Agelink
Is successful electroconvulsive therapy related to stimulation of the vagal system?
Journal of affective disorders 2010;125(1-3):323-9.
2010: Karl-Jürgen Bär; Sandy Berger; Maria Metzner; Michael Karl Boettger; Steffen Schulz; Chaitra T Ramachandraiah; Janneke Terhaar; Andreas Voss; Vikram K Yeragani; Heinrich Sauer
Autonomic dysfunction in unaffected first-degree relatives of patients suffering from schizophrenia.
Schizophrenia bulletin 2010;36(5):1050-8.
2010: Lars Donath; Christian Puta; Silke Boettger; Hans Josef Mueller; Oliver Faude; Tim Meyer; Karl-Jürgen Bär; Holger H W Gabriel
Ventilatory inefficiency in major depressive disorder: a potential adjunct for cardiac risk stratification in depressive disorders?
Progress in neuro-psychopharmacology & biological psychiatry 2010;34(6):882-7.
2010: Michael Karl Boettger; Konstanze Weber; David Grossmann; Mieczyslaw Gajda; Reinhard Bauer; Karl-Jürgen Bär; Steffen Schulz; Andreas Voss; Christian Geis; Rolf Bräuer; Hans-Georg Schaible
Spinal tumor necrosis factor alpha neutralization reduces peripheral inflammation and hyperalgesia and suppresses autonomic responses in experimental arthritis: a role for spinal tumor necrosis factor alpha during induction and maintenance of peripheral inflammation.
Arthritis and rheumatism 2010;62(5):1308-18.
2010: Janneke Terhaar; Michael Karl Boettger; Christiane Schwier; Gerd Wagner; Anna-Karoline Israel; Karl-Jürgen Bär
Increased sensitivity to heat pain after sad mood induction in female patients with major depression.
European journal of pain (London, England) 2010;14(5):559-63.
2010: Silke Boettger; Hans-Josef Müller; Klaus Oswald; Christian Puta; Lars Donath; Holger H W Gabriel; Karl-Jürgen Bär
Inflammatory changes upon a single maximal exercise test in depressed patients and healthy controls.
Progress in neuro-psychopharmacology & biological psychiatry 2010;34(3):475-8.
2010: Michael Karl Boettger; Steffen Schulz; Sandy Berger; Manuel Tancer; Vikram K Yeragani; Andreas Voss; Karl-Jürgen Bär
Influence of age on linear and nonlinear measures of autonomic cardiovascular modulation.
Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc 2010;15(2):165-74.
2010: Michael Karl Boettger; Wolf Greiner; Tobias Rachow; Christiane Brühl; Karl-Jürgen Bär
Sympathetic skin response following painful electrical stimulation is increased in major depression.
Pain 2010;149(1):130-4.
2010: Sandy Berger; Michael Karl Boettger; Manuel Tancer; Salvador Guinjoan; Vikram K Yeragani; Karl-Jürgen Bär
Reduced cardio-respiratory coupling indicates suppression of vagal activity in healthy relatives of patients with schizophrenia.
Progress in neuro-psychopharmacology & biological psychiatry 2010;34(2):406-11.
2010: Silke Boettger; Christian Puta; Vikram K Yeragani; Lars Donath; Hans-Josef Müller; Holger H W Gabriel; Karl-Jürgen Bär
Heart rate variability, QT variability, and electrodermal activity during exercise.
Medicine and science in sports and exercise 2010;42(3):443-8.
2010: Christiane Schwier; Anna Kliem; Michael Karl Boettger; Karl-Jürgen Bär
Increased cold-pain thresholds in major depression.
The journal of pain : official journal of the American Pain Society 2010;11(3):287-90.
2010: Lars Donath; Silke Boettger; Christian Puta; Franziska Wetzig; Hans Josef Mueller; Karl-Jürgen Bär; Holger H W Gabriel
Dissociation of performance parameters at the IAT requires specific exercise recommendations for depressed patients.
Progress in neuro-psychopharmacology & biological psychiatry 2010;34(1):131-5.
2010: Ralf Köbele; Mandy Koschke; Steffen Schulz; Gerd Wagner; Shravya Yeragani; Chaitra T Ramachandraiah; Andreas Voss; Vikram K Yeragani; Karl-Jürgen Bär
The influence of negative mood on heart rate complexity measures and baroreflex sensitivity in healthy subjects.
Indian journal of psychiatry 2010;52(1):42-7.
2009: Gabriel Ziegler; Robert Dahnke; Vikram K Yeragani; Karl-Jürgen Bär
The relation of ventromedial prefrontal cortex activity and heart rate fluctuations at rest.
The European journal of neuroscience 2009;30(11):2205-10.
2009: Mandy Koschke; Michael Karl Boettger; Steffen Schulz; Sandy Berger; Janneke Terhaar; Andreas Voss; Vikram K Yeragani; Karl-Jürgen Bär
Autonomy of autonomic dysfunction in major depression.
Psychosomatic medicine 2009;71(8):852-60.
2009: Jeannine Peupelmann; Carmen Quick; Sandy Berger; Michael Hocke; Manuel Tancer; Vikram K Yeragani; Karl-Jürgen Bär
Linear and non-linear measures indicate gastric dysmotility in patients suffering from acute schizophrenia.
Progress in neuro-psychopharmacology & biological psychiatry 2009;33(7):1236-40.
2009: Jeannine Peupelmann; Michael Karl Boettger; Carmen Ruhland; Sandy Berger; Chaitra T Ramachandraiah; Vikram K Yeragani; Karl-Jürgen Bär
Cardio-respiratory coupling indicates suppression of vagal activity in acute schizophrenia.
Schizophrenia research 2009;112(1-3):153-7.
2009: Karl-Jürgen Bär; Steffen Schulz; Mandy Koschke; Christina Harzendorf; Sabine Gayde; Wolfgang Berg; Andreas Voss; Vikram K Yeragani; Michael Karl Boettger
Correlations between the autonomic modulation of heart rate, blood pressure and the pupillary light reflex in healthy subjects.
Journal of the neurological sciences 2009;279(1-2):9-13.
2009: Gerd Wagner; Mandy Koschke; Tanja Leuf; Ralf Schlösser; Karl-Jürgen Bär
Reduced heat pain thresholds after sad-mood induction are associated with changes in thalamic activity.
Neuropsychologia 2009;47(4):980-7.
2008: Karl-Jürgen Bär; Mandy Koschke; Sandy Berger; Steffen Schulz; Manuel Tancer; Andreas Voss; Vikram K Yeragani
Influence of olanzapine on QT variability and complexity measures of heart rate in patients with schizophrenia.
Journal of clinical psychopharmacology 2008;28(6):694-8.
2008: Karl-Jürgen Bär; Michael Karl Boettger; Steffen Schulz; Rene Neubauer; Thomas Jochum; Andreas Voss; Vikram K Yeragani
Reduced cardio-respiratory coupling in acute alcohol withdrawal.
Drug and alcohol dependence 2008;98(3):210-7.
2008: Karl-Jürgen Bär; Michael Karl Boettger; Steffen Schulz; Christina Harzendorf; Marcus W Agelink; Vikram K Yeragani; Pratap Chokka; Andreas Voss
The interaction between pupil function and cardiovascular regulation in patients with acute schizophrenia.
Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2008;119(10):2209-13.
2008: Carmen Ruhland; Mandy Koschke; Wolf Greiner; Jeannine Peupelmann; Uta Pietsch; Michael Hocke; Vikram K Yeragani; Karl-Jürgen Bär
Gastric dysmotility in patients with major depression.
Journal of affective disorders 2008;110(1-2):185-90.
2008: Karl-Jürgen Bär; Michael Karl Boettger; J Andrich; J T Epplen; F Fischer; Joachim Cordes; Mandy Koschke; M W Agelink
Cardiovagal modulation upon postural change is altered in Huntington's disease.
European journal of neurology : the official journal of the European Federation of Neurological Societies 2008;15(8):869-71.
2008: Silke Boettger; Dirk Hoyer; Katrin Falkenhahn; Martin Kaatz; Vikram K Yeragani; Karl-Jürgen Bär
Nonlinear broad band dynamics are less complex in major depression.
Bipolar disorders 2008;10(2):276-84.
2008: Karl-Jürgen Bär; Kirsten Wernich; Silke Boettger; Joachim Cordes; Michael Karl Boettger; Stefan Löffler; Jürgen Kornischka; Marcus W Agelink
Relationship between cardiovagal modulation and psychotic state in patients with paranoid schizophrenia.
Psychiatry research 2008;157(1-3):255-7.
2007: Karl-Jürgen Bär; Michael Karl Boettger; Nicole Seidler; Hans-Joachim Mentzel; Christoph Terborg; Heinrich Sauer
Influence of galantamine on vasomotor reactivity in Alzheimer's disease and vascular dementia due to cerebral microangiopathy.
Stroke; a journal of cerebral circulation 2007;38(12):3186-92.
2007: Karl-Jürgen Bär; Gerd Wagner; Mandy Koschke; Silke Boettger; Michael Karl Boettger; Ralf Schlösser; Heinrich Sauer
Increased prefrontal activation during pain perception in major depression.
Biological psychiatry 2007;62(11):1281-7.
2007: Thomas Jochum; Michael Karl Boettger; Alexandra Wigger; Daniela Beiderbeck; Inga D Neumann; Rainer Landgraf; Heinrich Sauer; Karl-Jürgen Bär
Decreased sensitivity to thermal pain in rats bred for high anxiety-related behaviour is attenuated by citalopram or diazepam treatment.
Behavioural brain research 2007;183(1):18-24.
2007: Michael Karl Boettger; Karl-Jürgen Bär
Perception for ischemic pain shows similarities in adjustment disorder and major depression.
European journal of pain (London, England) 2007;11(7):819-22.
2007: Karl-Jürgen Bär; Wolf Greiner
[Pain perception is not influenced by altered autonomic function in major depression].
Psychiatrische Praxis 2007;34 Suppl 3():S309-13.
2007: Karl-Jürgen Bär; Michael Karl Boettger; Mandy Koschke; Steffen Schulz; Pratap Chokka; Vikram K Yeragani; Andreas Voss
Non-linear complexity measures of heart rate variability in acute schizophrenia.
Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2007;118(9):2009-15.
2007: Karl-Jürgen Bär; Mandy Koschke; Michael Karl Boettger; Sandy Berger; Alexander Kabisch; Heinrich Sauer; Andreas Voss; Vikram K Yeragani
Acute psychosis leads to increased QT variability in patients suffering from schizophrenia.
Schizophrenia research 2007;95(1-3):115-23.
2007: Karl-Jürgen Bär; Michael Karl Boettger; Mandy Koschke; Silke Boettger; Marei Grotelüschen; Andreas Voss; Vikram K Yeragani
Increased QT interval variability index in acute alcohol withdrawal.
Drug and alcohol dependence 2007;89(2-3):259-66.
2007: Karl-Jürgen Bär; Michael Karl Boettger; Sandy Berger; Vico Baier; Heinrich Sauer; Vikram K Yeragani; Andreas Voss
Decreased baroreflex sensitivity in acute schizophrenia.
Journal of applied physiology (Bethesda, Md. : 1985) 2007;102(3):1051-6.
2007: Vikram K Yeragani; Robert Pohl; Karl-Jürgen Bär; Pratap Chokka; Manuel Tancer
Exaggerated beat-to-beat R amplitude variability in patients with panic disorder after intravenous isoproterenol.
Neuropsychobiology 2007;55(3-4):213-8.
2006: Silke Boettger; Dirk Hoyer; Katrin Falkenhahn; Martin Kaatz; Vikram K Yeragani; Karl-Jürgen Bär
Altered diurnal autonomic variation and reduced vagal information flow in acute schizophrenia.
Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2006;117(12):2715-22.
2006: Karl-Jürgen Bär; Michael Karl Boettger; Silke Boettger; Marei Grotelüschen; Rene Neubauer; Thomas Jochum; Vico Baier; Heinrich Sauer; Andreas Voss
Reduced baroreflex sensitivity in acute alcohol withdrawal syndrome and in abstained alcoholics.
Drug and alcohol dependence 2006;85(1):66-74.
2006: Karl-Jürgen Bär; Michael Karl Boettger; Andreas Voss
Differences between heart rate and blood pressure variability in schizophrenia.
Biomedizinische Technik. Biomedical engineering 2006;51(4):237-9.
2006: Dirk Hoyer; Birgit Frank; Christine Götze; Hendrik Schmidt; Rafal Baranowski; Jan Zebrowski; Montserrat Vallverdú; Pere Caminal; Antoni Bayés de Luna; Kathrin Falkenhahn; Karl-Jürgen Bär; Phyllis K Stein
Complex autonomic dysfunction in cardiovascular, intensive care, and schizophrenic patients assessed by autonomic information flow.
Biomedizinische Technik. Biomedical engineering 2006;51(4):182-5.
2006: Karl-Jürgen Bär; Michael Karl Boettger; Rene Neubauer; Marei Grotelüschen; Thomas Jochum; Vico Baier; Heinrich Sauer; Andreas Voss
Heart rate variability and sympathetic skin response in male patients suffering from acute alcohol withdrawal syndrome.
Alcoholism, clinical and experimental research 2006;30(9):1592-8.
2006: Karl-Jürgen Bär; Silke Boettger; Gerd Wagner; Christine Wilsdorf; Uwe Jens Gerhard; Michael Karl Boettger; Bernhard Blanz; Heinrich Sauer
Changes of pain perception, autonomic function, and endocrine parameters during treatment of anorectic adolescents.
Journal of the American Academy of Child and Adolescent Psychiatry 2006;45(9):1068-76.
2006: Karl-Jürgen Bär; Stanislaw Brehm; Michael Karl Boettger; Gerd Wagner; Silke Boettger; Heinrich Sauer
Decreased sensitivity to experimental pain in adjustment disorder.
European journal of pain (London, England) 2006;10(5):467-71.
2006: Thomas Jochum; Andrea Letzsch; Wolf Greiner; Gerd Wagner; Heinrich Sauer; Karl-Jürgen Bär
Influence of antipsychotic medication on pain perception in schizophrenia.
Psychiatry research 2006;142(2-3):151-6.
2005: Karl-Jürgen Bär; Stanislaw Brehm; Michael Karl Boettger; Silke Boettger; Gerd Wagner; Heinrich Sauer
Pain perception in major depression depends on pain modality.
Pain 2005;117(1-2):97-103.
2005: Karl-Jürgen Bär; A Letzsch; Thomas Jochum; Gerd Wagner; Wolf Greiner; Heinrich Sauer
Loss of efferent vagal activity in acute schizophrenia.
Journal of psychiatric research 2005;39(5):519-27.
2005: Karl-Jürgen Bär; Thomas Jochum; Frank Häger; Winfried Meissner; Heinrich Sauer
Painful hallucinations and somatic delusions in a patient with the possible diagnosis of neuroborreliosis.
The Clinical journal of pain 2005;21(4):362-3.
2005: Karl-Jürgen Bär; Michael Karl Boettger; Silke Till; Julia Dolicek; Heinrich Sauer
Lateralization of pupillary light reflex parameters.
Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2005;116(4):790-8.
2004: Karl-Jürgen Bär; Wolf Greiner; Thomas Jochum; Marc Friedrich; Gerd Wagner; Heinrich Sauer
The influence of major depression and its treatment on heart rate variability and pupillary light reflex parameters.
Journal of affective disorders 2004;82(2):245-52.
2004: Karl-Jürgen Bär; Hans-Georg Schaible; Rolf Bräuer; Karl-Jürgen Halbhuber; Gisela Segond Von Banchet
The proportion of TRPV1 protein-positive lumbar DRG neurones does not increase in the course of acute and chronic antigen-induced arthritis in the knee joint of the rat.
Neuroscience letters 2004;361(1-3):172-5.
2004: Karl-Jürgen Bär; Frank Häger; Heinrich Sauer
Olanzapine- and clozapine-induced stuttering. A case series.
Pharmacopsychiatry 2004;37(3):131-4.
2004: Karl-Jürgen Bär; Gabriel Natura; Alejandro Telleria-Diaz; Philipp Teschner; Regine Vogel; Enrique Vasquez; Hans-Georg Schaible; Andrea Ebersberger
Changes in the effect of spinal prostaglandin E2 during inflammation: prostaglandin E (EP1-EP4) receptors in spinal nociceptive processing of input from the normal or inflamed knee joint.
The Journal of neuroscience : the official journal of the Society for Neuroscience 2004;24(3):642-51.
2004: Karl-Jürgen Bär; Uta Schurigt; A Scholze; Gisela Segond von Banchet; N Stopfel; Rolf Bräuer; Karl-Jürgen Halbhuber; Hans-Georg Schaible
The expression and localization of somatostatin receptors in dorsal root ganglion neurons of normal and monoarthritic rats.
Neuroscience 2004;127(1):197-206.
2003: Karl-Jürgen Bär; Wolf Greiner; A Letsch; R Köbele; Heinrich Sauer
Influence of gender and hemispheric lateralization on heat pain perception in major depression.
Journal of psychiatric research 2003;37(4):345-53.
2003: Karl-Jürgen Bär; Sybille Franke; B Wenda; S Müller; Rosemarie Kientsch-Engel; Günter Stein; Heinrich Sauer
Pentosidine and N(epsilon)-(carboxymethyl)-lysine in Alzheimer's disease and vascular dementia.
Neurobiology of aging 2003;24(2):333-8.
2002: Karl-Jürgen Bär; Frank Häger; Igor Nenadic; Thomas Opfermann; Michael Brodhun; Ralf F Tauber; Stephan Patt; Walter Schulz-Schaeffer; Dietmar Gottschild; Heinrich Sauer
Serial positron emission tomographic findings in an atypical presentation of fatal familial insomnia.
Archives of neurology 2002;59(11):1815-8.
2002: Thomas Jochum; Karl-Jürgen Bär; H Sauer
Topiramate induced manic episode.
Journal of neurology, neurosurgery, and psychiatry 2002;73(2):208-9.
2002: Karl-Jürgen Bär; Christian Gaser; Igor Nenadic; Heinrich Sauer
Transient activation of a somatosensory area in painful hallucinations shown by fMRI.
Neuroreport 2002;13(6):805-8.
2001: E Vasquez; Karl-Jürgen Bär; Andrea Ebersberger; B Klein; Horacio Vanegas; Hans-Georg Schaible
Spinal prostaglandins are involved in the development but not the maintenance of inflammation-induced spinal hyperexcitability.
The Journal of neuroscience : the official journal of the Society for Neuroscience 2001;21(22):9001-8.
2001: Joachim Liepert; Karl-Jürgen Bär; U Meske; Cornelius Weiller
Motor cortex disinhibition in Alzheimer's disease.
Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2001;112(8):1436-41.