H Walter

Summary

Affiliation: University of Ulm
Country: Germany

Publications

  1. ncbi request reprint Emergence and the cognitive neuroscience approach to psychiatry
    H Walter
    Abteilung Psychiatrie III, Universitatsklinikum Ulm, Germany
    Z Naturforsch C 53:723-37. 1998
  2. ncbi request reprint The neural correlates of driving
    H Walter
    Department of Psychiatry, University of Ulm, Germany
    Neuroreport 12:1763-7. 2001
  3. ncbi request reprint [Emotional dysfunction, psychopathy and cognitive neuroscience. What is new and what are the consequences]
    H Walter
    Abteilung Psychiatrie III, Universitatsklinikum Ulm
    Nervenarzt 76:557-68. 2005
  4. ncbi request reprint Evidence for quantitative domain dominance for verbal and spatial working memory in frontal and parietal cortex
    Henrik Walter
    Department of Psychiatry, University of Ulm, Germany
    Cortex 39:897-911. 2003
  5. ncbi request reprint No hypofrontality, but absence of prefrontal lateralization comparing verbal and spatial working memory in schizophrenia
    Henrik Walter
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12, 89075, Ulm, Germany
    Schizophr Res 61:175-84. 2003
  6. ncbi request reprint Emotional context modulates subsequent memory effect
    Susanne Erk
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12 14, 89075 Ulm, Germany
    Neuroimage 18:439-47. 2003
  7. ncbi request reprint The navigation of transcranial magnetic stimulation
    U Herwig
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12, D 89070 Ulm, Germany
    Psychiatry Res 108:123-31. 2001
  8. ncbi request reprint Increased left prefrontal activation in patients with unipolar depression: an event-related, parametric, performance-controlled fMRI study
    Henrik Walter
    Department of Psychiatry, Division of Medical Psychology, University Clinic Bonn, Sigmund Freud Strasse 25, D 53105 Bonn, Germany
    J Affect Disord 101:175-85. 2007
  9. doi request reprint Altered reward functions in patients on atypical antipsychotic medication in line with the revised dopamine hypothesis of schizophrenia
    Henrik Walter
    Department of Psychiatry, Division of Medical Psychology, Rheinische Friedrich Wilhelms University Bonn, Sigmund Freud Str 25, 53105, Bonn, Germany
    Psychopharmacology (Berl) 206:121-32. 2009
  10. ncbi request reprint Dissociating a common working memory network from different neural substrates of phonological and spatial stimulus processing
    Bartosz Zurowski
    Department of Psychiatry, University of Ulm, 89075 Ulm, Germany
    Neuroimage 15:45-57. 2002

Detail Information

Publications55

  1. ncbi request reprint Emergence and the cognitive neuroscience approach to psychiatry
    H Walter
    Abteilung Psychiatrie III, Universitatsklinikum Ulm, Germany
    Z Naturforsch C 53:723-37. 1998
    ..I conclude that the notion of strong emergence is only a preliminary label which, however, might be understood as a challenge for empirical scientists to explain and understand phenomena related to subjectivity and consciousness...
  2. ncbi request reprint The neural correlates of driving
    H Walter
    Department of Psychiatry, University of Ulm, Germany
    Neuroreport 12:1763-7. 2001
    ..It is concluded that simulated driving requires mainly perceptual-motor integration and that the limited cognitive capacity model of driving has to be revised...
  3. ncbi request reprint [Emotional dysfunction, psychopathy and cognitive neuroscience. What is new and what are the consequences]
    H Walter
    Abteilung Psychiatrie III, Universitatsklinikum Ulm
    Nervenarzt 76:557-68. 2005
    ..False conclusions dominating these considerations are discussed and corrected. The findings open a new discussion of the relevance of emotional function and dysfunction for accountability...
  4. ncbi request reprint Evidence for quantitative domain dominance for verbal and spatial working memory in frontal and parietal cortex
    Henrik Walter
    Department of Psychiatry, University of Ulm, Germany
    Cortex 39:897-911. 2003
    ..The concept of domain dominance is discussed in the light of recent theories of prefrontal cortex function...
  5. ncbi request reprint No hypofrontality, but absence of prefrontal lateralization comparing verbal and spatial working memory in schizophrenia
    Henrik Walter
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12, 89075, Ulm, Germany
    Schizophr Res 61:175-84. 2003
    ..We conclude that the finding of hypofrontality may depend on the medication of the patients and that there is prefrontal dysfunction even in the absence of hypofrontality...
  6. ncbi request reprint Emotional context modulates subsequent memory effect
    Susanne Erk
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12 14, 89075 Ulm, Germany
    Neuroimage 18:439-47. 2003
    ..These results contribute to the understanding of the interaction of emotion and cognition and moreover are of general relevance for studies of episodic memory...
  7. ncbi request reprint The navigation of transcranial magnetic stimulation
    U Herwig
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12, D 89070 Ulm, Germany
    Psychiatry Res 108:123-31. 2001
    ..Future applications of TMS should take individual anatomy into account, and neuronavigation provides the means to do so...
  8. ncbi request reprint Increased left prefrontal activation in patients with unipolar depression: an event-related, parametric, performance-controlled fMRI study
    Henrik Walter
    Department of Psychiatry, Division of Medical Psychology, University Clinic Bonn, Sigmund Freud Strasse 25, D 53105 Bonn, Germany
    J Affect Disord 101:175-85. 2007
    ..We applied a newly developed WM task to investigate the neural correlates of executive processes with functional magnetic resonance imaging (fMRI) at comparable performance levels analyzing correct trials only...
  9. doi request reprint Altered reward functions in patients on atypical antipsychotic medication in line with the revised dopamine hypothesis of schizophrenia
    Henrik Walter
    Department of Psychiatry, Division of Medical Psychology, Rheinische Friedrich Wilhelms University Bonn, Sigmund Freud Str 25, 53105, Bonn, Germany
    Psychopharmacology (Berl) 206:121-32. 2009
    ..To study the mesolimbic dopamine system during expectation and receipt or omission of rewards in partially remitted patients with schizophrenia treated with the atypical antipsychotic olanzapine...
  10. ncbi request reprint Dissociating a common working memory network from different neural substrates of phonological and spatial stimulus processing
    Bartosz Zurowski
    Department of Psychiatry, University of Ulm, 89075 Ulm, Germany
    Neuroimage 15:45-57. 2002
    ..We propose a stimulus-independent role for the bilateral pSFS and its vicinity for maintenance and manipulation of different context-dependent information within working memory...
  11. doi request reprint Segregating intra-amygdalar responses to dynamic facial emotion with cytoarchitectonic maximum probability maps
    Rene Hurlemann
    Department of Psychiatry, University of Bonn, 53105 Bonn, Germany
    J Neurosci Methods 172:13-20. 2008
    ..Our findings extend current models of facial emotion perception in humans by suggesting an intrinsic functional differentiation within the amygdala related to the extraction of value from facial expressions...
  12. doi request reprint Aberrant functional connectivity of dorsolateral prefrontal and cingulate networks in patients with major depression during working memory processing
    N Vasic
    Department of Psychiatry and Psychotherapy III, University of Ulm, Germany
    Psychol Med 39:977-87. 2009
    ..However, the functional coupling of these cortical networks during WM processing is less clear...
  13. ncbi request reprint Evaluation of a novel event-related parametric fMRI paradigm investigating prefrontal function
    Robert Christian Wolf
    Department of Psychiatry, University of Ulm, Ulm, Germany
    Psychiatry Res 140:73-83. 2005
    ....
  14. pmc Dysfunction of the social brain in schizophrenia is modulated by intention type: an fMRI study
    Henrik Walter
    Department of Psychiatry, Division of Medical Psychology, University of Bonn, Bonn, Germany
    Soc Cogn Affect Neurosci 4:166-76. 2009
    ..This may be due to the tendency of schizophrenic patients to attribute intentionality to physical objects. Our findings have implications for the study and understanding of ToM in schizophrenia but also in other disorders like autism...
  15. ncbi request reprint Working memory dysfunction in schizophrenia compared to healthy controls and patients with depression: evidence from event-related fMRI
    Henrik Walter
    Department of Psychiatry, Friedrich Wilhelms University, Bonn, Germany
    Neuroimage 35:1551-61. 2007
    ..However, superior temporal cortex dysfunction in patients with schizophrenia may be regarded as schizophrenia-specific finding in terms of psychiatric diagnosis specificity...
  16. ncbi request reprint Emotional context during encoding of neutral items modulates brain activation not only during encoding but also during recognition
    Susanne Erk
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12 14, 89075 Ulm, Germany
    Neuroimage 26:829-38. 2005
    ..We assume that our findings reflect the recruitment of different brain circuits depending on the emotional context during learning...
  17. pmc Noradrenergic enhancement of amygdala responses to fear
    Oezguer A Onur
    Department of Psychiatry, University of Bonn, 53105 Bonn, Germany
    Soc Cogn Affect Neurosci 4:119-26. 2009
    ....
  18. ncbi request reprint Enantio-selective cognitive and brain activation effects of N-ethyl-3,4-methylenedioxyamphetamine in humans
    M Spitzer
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12 14, D 89075 Ulm, Germany
    Neuropharmacology 41:263-71. 2001
    ..Plasma concentrations were higher for the (R)-enantiomer. The so-called entactogenic effects of MDE are likely to be caused by the (S)-enantiomer, whereas (R)-MDE appears to be responsible for neurotoxic effects...
  19. ncbi request reprint Stereotaxic rTMS for the treatment of auditory hallucinations in schizophrenia
    Carlos Schonfeldt-Lecuona
    Departments of Psychiatry III, University of Ulm, Leimgrubenweg 12 14, D 89075 Ulm, Germany
    Neuroreport 15:1669-73. 2004
    ..rTMS did not lead to a significant reduction of hallucination severity. Conclusively, rTMS has to be regarded critically as a possible novel tool for the treatment of hallucinations...
  20. ncbi request reprint Add-on rTMS for treatment of depression: a pilot study using stereotaxic coil-navigation according to PET data
    Uwe Herwig
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12, D 89070 Ulm, Germany
    J Psychiatr Res 37:267-75. 2003
    ..In a double-blind, randomized, sham-controlled pilot study we investigated the efficacy of neuronavigated rTMS, guided according to the prefrontal metabolic state determined by positron emission tomography (PET)...
  21. ncbi request reprint Response inhibition in borderline personality disorder: event-related potentials in a Go/Nogo task
    M Ruchsow
    Department of Psychiatry, Christophsbad Göppingen, Germany
    J Neural Transm 115:127-33. 2008
    ..The present study is the first to examine Nogo-N2 and Nogo-P3 in BPD and provides further evidence for impaired response inhibition in BPD patients...
  22. doi request reprint Comparative analysis of brain structure, metabolism, and cognition in myotonic dystrophy 1 and 2
    Y G Weber
    Neurological Clinic, University of Ulm, Germany
    Neurology 74:1108-17. 2010
    ..We performed a comprehensive analysis of cerebral abnormalities to compare the neuropsychological defects with findings in different imaging methods in the same cohort of patients...
  23. ncbi request reprint Verbal storage in a premotor-parietal network: evidence from fMRI-guided magnetic stimulation
    U Herwig
    Department of Psychiatry, University of Ulm, Ulm, Germany
    Neuroimage 20:1032-41. 2003
    ..The contribution of the premotor cortex to storage and rehearsal is discussed as an active top-down storage process within the frontoparietal network...
  24. ncbi request reprint [The concept of working memory in schizophrenia: current evidence and future perspectives]
    R C Wolf
    Psychiatrische Universitätsklinik III, Universitat Ulm
    Fortschr Neurol Psychiatr 74:449-68. 2006
    ..This review provides a short overview on the concept of WM and its relevance for cognitive psychology, discussing both recent behavioral and functional neuroimaging evidence on WM-dysfunction in schizophrenia...
  25. ncbi request reprint [Historical review and recent research trends of the antidepressant repetitive transcranial magnetic stimulation (rTMS)]
    C Schonfeldt-Lecuona
    Abteilung Psychiatrie III, Universitätsklinik Ulm, Germany
    Fortschr Neurol Psychiatr 70:520-30. 2002
    ..An overview of studies published in the last ten years, a critical analysis of stimulation procedures and protocols, and possible future perspectives of this method are reviewed in this article...
  26. doi request reprint Increasing contextual demand modulates anterior and lateral prefrontal brain regions associated with proactive interference
    Robert Christian Wolf
    Department of Psychiatry and Psychotherapy III, University of Ulm, Ulm, Germany
    Int J Neurosci 120:40-50. 2010
    ..Furthermore, low susceptibility to PI might be influenced by increased executive control exerted by the DLPFC...
  27. doi request reprint A neural signature of anorexia nervosa in the ventral striatal reward system
    Anne Katharina Fladung
    University of Ulm, Department of Psychiatry, Leimgrubenweg 12 14, 89075 Ulm, Germany
    Am J Psychiatry 167:206-12. 2010
    ..The authors examined activity in the ventral striatal system in response to disease-specific stimuli in women with acute anorexia nervosa...
  28. pmc Abnormal reward system activation in mania
    Birgit Abler
    Department of Psychiatry, University of Ulm, Germany
    Neuropsychopharmacology 33:2217-27. 2008
    ..These deficits in prediction error processing in acute mania may help to explain symptoms of disinhibition and abnormal goal pursuit regulation...
  29. doi request reprint Gray matter reduction associated with psychopathology and cognitive dysfunction in unipolar depression: a voxel-based morphometry study
    Nenad Vasic
    Department of Psychiatry III, University of Ulm, Leimgrubenweg 12 14, 89075 Ulm, Germany
    J Affect Disord 109:107-16. 2008
    ..However, less is known about the relationship between psychopathology, cognitive deficits and regional volume alterations in this patient population...
  30. doi request reprint Volumetric abnormalities associated with cognitive deficits in patients with schizophrenia
    Robert Christian Wolf
    Department of Psychiatry III, University of Ulm, Leimgrubenweg 12 14, 89075 Ulm, Germany
    Eur Psychiatry 23:541-8. 2008
    ....
  31. doi request reprint Temporally anticorrelated brain networks during working memory performance reveal aberrant prefrontal and hippocampal connectivity in patients with schizophrenia
    Robert Christian Wolf
    Department of Psychiatry and Psychotherapy III, University of Ulm, Leimgrubenweg 12 14 89075 Ulm, Germany
    Prog Neuropsychopharmacol Biol Psychiatry 33:1464-73. 2009
    ..These data suggest that within two temporally anticorrelated network states, patients with schizophrenia exhibit increased and persistent dorsolateral prefrontal and hippocampal connectivity during WM performance...
  32. doi request reprint Neural correlates of attachment trauma in borderline personality disorder: a functional magnetic resonance imaging study
    Anna Buchheim
    Department of Psychosomatic Medicine and Psychotherapy, University Ulm, Am Hochstraess 8, 89081 Ulm, Germany
    Psychiatry Res 163:223-35. 2008
    ..e. fearful and painful intolerance of aloneness, hypersensitivity to social environment, and reduced positive memories of dyadic interactions...
  33. doi request reprint Habitual emotion regulation strategies and depressive symptoms in healthy subjects predict fMRI brain activation patterns related to major depression
    Birgit Abler
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12 14, 89075 Ulm, Germany
    Psychiatry Res 183:105-13. 2010
    ..Decreased anticipatory oMFC activation may parallel a lack of antecedent emotion regulation in subjects with high suppression scores, representing another neurobiological predictor of lower mental well-being...
  34. ncbi request reprint Human reward system activation is modulated by a single dose of olanzapine in healthy subjects in an event-related, double-blind, placebo-controlled fMRI study
    Birgit Abler
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12 14, 89075, Ulm, Germany
    Psychopharmacology (Berl) 191:823-33. 2007
    ..Although it is long known that modulation of the dopamine system is a basic mechanism of action of neuroleptics, their impact on reward functions mediated by dopamine is still poorly understood...
  35. ncbi request reprint Changes over time in frontotemporal activation during a working memory task in patients with schizophrenia
    Robert Christian Wolf
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12 14, 89075 Ulm, Germany
    Schizophr Res 91:141-50. 2007
    ....
  36. ncbi request reprint Neural correlates of frustration
    Birgit Abler
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12 14, 89075 Ulm, Germany
    Neuroreport 16:669-72. 2005
    ..Increased activation for this contrast was found in areas previously related to emotional pain: the right anterior insula and the right ventral prefrontal cortex. We interpreted this as a neural correlate of the egocentric effect...
  37. ncbi request reprint Side effects of transcranial magnetic stimulation biased task performance in a cognitive neuroscience study
    Birgit Abler
    Department of Psychiatry, University of Ulm, Germany
    Brain Topogr 17:193-6. 2005
    ..We emphasize the importance of controlling side effects of the stimulation as a source of biasing effects in TMS studies...
  38. ncbi request reprint Electrophysiological correlates of error processing in borderline personality disorder
    Martin Ruchsow
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12, D 89075 Ulm, Germany
    Biol Psychol 72:133-40. 2006
    ..No between-group differences were observed for the early and late Pe components. ERP measures appear to be a suitable tool to study clinical time courses in BPD...
  39. ncbi request reprint Investigating directed influences between activated brain areas in a motor-response task using fMRI
    Birgit Abler
    Department of Psychiatry, University of Ulm, 89075 Ulm, Germany
    Magn Reson Imaging 24:181-5. 2006
    ..Temporally optimized scanning should increase that potential...
  40. ncbi request reprint Prediction error as a linear function of reward probability is coded in human nucleus accumbens
    Birgit Abler
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12 14, 89075 Ulm, Germany
    Neuroimage 31:790-5. 2006
    ..We therefore identify two different covariates that model activity in the Nac: specific properties of a psychological task and individual character traits...
  41. ncbi request reprint Measuring adult attachment representation in an fMRI environment: concepts and assessment
    Anna Buchheim
    Department of Psychosomatic Medicine and Psychotherapy, University of Ulm, Ulm, Germany
    Psychopathology 39:136-43. 2006
    ..This paper proposes that the AAP is a fruitful measure to use in an fMRI environment to examine brain activation patterns in adults while they are speaking overtly about attachment stories in a standardized setting...
  42. ncbi request reprint Measuring attachment representation in an FMRI environment: a pilot study
    Anna Buchheim
    Department of Psychosomatic Medicine and Psychotherapy, University of Ulm, Ulm, Germany
    Psychopathology 39:144-52. 2006
    ..These results are discussed in relation to assessing attachment in an fMRI environment and future research in this area...
  43. ncbi request reprint Motivating forces of human actions. Neuroimaging reward and social interaction
    Henrik Walter
    Department of Psychiatry, Laboratory for Neuroimaging and Neurophysiology, Johann Wolfgang Goethe University Frankfurt, Heinrich Hoffmann Str 10, 60598 Frankfurt, Germany
    Brain Res Bull 67:368-81. 2005
    ..We will discuss implications of this study for neuromarketing as well as general implications of these results that may help to provide deeper insights into the motivating forces of human behaviour...
  44. ncbi request reprint Differential activation of ventrolateral prefrontal cortex during working memory retrieval
    Robert Christian Wolf
    Department of Psychiatry III, University of Ulm, Leimgrubenweg 12 14, 89075 Ulm, Germany
    Neuropsychologia 44:2558-63. 2006
    ..These findings demonstrate that ventral areas of prefrontal cortex seem to be differentially engaged during the discrimination of a non-target from a previously manipulated set...
  45. ncbi request reprint Anticipation of aversive stimuli activates extended amygdala in unipolar depression
    Birgit Abler
    Department of Psychiatry, University of Ulm, Germany Schizophrenia and Bipolar Disorder Program, McLean Hospital, Admissions Building, Rm 347, 115 Mill Street, Harvard University, Belmont, MA 02478, USA
    J Psychiatr Res 41:511-22. 2007
    ..Supporting cognitive theories, this finding does represent evidence that altered cognitions as potentially involved in expectation result in differences in brain activity...
  46. ncbi request reprint [Executive functions in patients with depression. The role of prefrontal activation]
    N Vasic
    Abteilung Psychiatrie III, Universitatsklinikum Ulm, Leimgrubenweg 12 14, 89075 Ulm
    Nervenarzt 78:628, 630-2, 634-6 passim. 2007
    ..As a conclusion, the concept of "simple" hypofrontality does not offer a satisfactory explanation. Rather, a more dynamic model will be necessary in order to achieve a more realistic concept of executive deficits in depression...
  47. ncbi request reprint [Conversion disorders. From neurobiology to treatment]
    C Schonfeldt-Lecuona
    Abteilung Psychiatrie III, Universitätsklinik Ulm, Ulm
    Nervenarzt 75:619-27. 2004
    ..Such studies question the traditional and often misinterpreted dichotomy between organic and psychogenic diseases...
  48. ncbi request reprint Orbitofrontal cortical dysfunction in akinetic catatonia: a functional magnetic resonance imaging study during negative emotional stimulation
    Georg Northoff
    University of Magdeburg, Department of Psychiatry, Leipziger Strasse 44, 39120 Magdeburg, Germany
    Schizophr Bull 30:405-27. 2004
    ..Because we investigated postacute patients, orbitofrontal cortical alterations may be interpreted as a trait marker predisposing for development of catatonic syndrome in schizophrenic or affective psychosis...
  49. doi request reprint Age-related physiological responses to emotion anticipation and exposure
    Susanne Erk
    Department of Psychiatry, Division of Medical Psychology, University of Bonn, Bonn, Germany
    Neuroreport 19:447-52. 2008
    ..The observed results might reflect reduced focusing on negative future events with age, and are in line with an age-related shift of motivational priorities for the pursuit of emotional satisfaction and well being...
  50. ncbi request reprint Valence-specific regulation effects in a working memory task with emotional context
    Susanne Erk
    Department of Psychiatry, Division of Medical Psychology, University of Bonn, Sigmund Freud Str 25, D 53105 Bonn, Germany
    Neuroimage 37:623-32. 2007
    ..The results presented here are of relevance for the understanding of regulatory mechanisms and diseases characterized by increased susceptibility to emotional distraction...
  51. ncbi request reprint Cognitive modulation of emotion anticipation
    Susanne Erk
    Department of Psychiatry, Division of Medical Psychology, University of Bonn, Sigmund Freud Strasse 25, D 53105 Bonn, Germany
    Eur J Neurosci 24:1227-36. 2006
    ..These results help in the understanding of general mechanisms of emotion regulation and have implications for applied fields like cognitive behavioral therapy...
  52. ncbi request reprint Cultural objects modulate reward circuitry
    Susanne Erk
    Diagnostic Radiology, University Clinic Ulm, Leimgrubenweg 12, 89075 Ulm, Germany
    Neuroreport 13:2499-503. 2002
    ..We could thus demonstrate that artificial cultural objects associated with wealth and social dominance elicit activation in reward-related brain areas...
  53. doi request reprint Cognitive reappraisal modulates expected value and prediction error encoding in the ventral striatum
    Markus R Staudinger
    Department of Psychiatry, Division of Medical Psychology, University of Bonn, Sigmund Freud Strasse 25, D 53105 Bonn, Germany
    Neuroimage 47:713-21. 2009
    ..Moreover, increased recruitment of prefrontal reflective subsystems might enhance deliberate control over both reward processing and hedonic experience...
  54. ncbi request reprint Expecting unpleasant stimuli--an fMRI study
    Uwe Herwig
    Psychiatric University Hospital, Zurich, Switzerland
    Psychiatry Res 154:1-12. 2007
    ..They are known as well to be altered in depression. Disorders of this network may be relevant for psychiatric disorders such as depression...
  55. ncbi request reprint Understanding intentions in social interaction: the role of the anterior paracingulate cortex
    Henrik Walter
    University Clinic of Ulm
    J Cogn Neurosci 16:1854-63. 2004
    ..We conclude that distinct areas of the neural system underlying theory of mind are specialized in processing distinct classes of social stimuli...