Gilles Pourtois

Summary

Affiliation: University of Geneva
Country: Switzerland

Publications

  1. doi Beyond conventional event-related brain potential (ERP): exploring the time-course of visual emotion processing using topographic and principal component analyses
    Gilles Pourtois
    Laboratory for Behavioral Neurology and Imaging of Cognition, Department of Neuroscience and Clinic of Neurology, University of Geneva, Geneva, Switzerland
    Brain Topogr 20:265-77. 2008
  2. ncbi Two electrophysiological stages of spatial orienting towards fearful faces: early temporo-parietal activation preceding gain control in extrastriate visual cortex
    Gilles Pourtois
    Department of Neuroscience, Neurology and Imaging of Cognition, Clinic of Neurology, University Medical Centre CMU, Bat A, Physiology, Geneva, Switzerland
    Neuroimage 26:149-63. 2005
  3. ncbi Portraits or people? Distinct representations of face identity in the human visual cortex
    Gilles Pourtois
    Neurology and Imaging of Cognition, Clinic of Neurology and Department of Neurosciences, University of Geneva, Switzerland
    J Cogn Neurosci 17:1043-57. 2005
  4. ncbi Perception of facial expressions and voices and of their combination in the human brain
    Gilles Pourtois
    Donders Laboratory for Cognitive and Affective Neuroscience, University of Tilburg, Tilburg, The Netherlands
    Cortex 41:49-59. 2005
  5. ncbi Dissociable roles of the human somatosensory and superior temporal cortices for processing social face signals
    Gilles Pourtois
    Neurology and Imaging of Cognition, Clinic of Neurology and Department of Neurosciences, University Medical Center, 1 rue Michel Servet, CH 1211 Geneva, Switzerland
    Eur J Neurosci 20:3507-15. 2004
  6. ncbi Dynamics of emotional effects on spatial attention in the human visual cortex
    Gilles Pourtois
    Neurology and Imaging of Cognition, Clinic of Neurology, University Hospital and Department of Neurosciences, University Medical Center, University of Geneva, Switzerland
    Prog Brain Res 156:67-91. 2006
  7. ncbi Electrophysiological correlates of rapid spatial orienting towards fearful faces
    Gilles Pourtois
    Neurology and Imaging of Cognition, University of Geneva, Switzerland
    Cereb Cortex 14:619-33. 2004
  8. ncbi Direct intracranial recording of body-selective responses in human extrastriate visual cortex
    Gilles Pourtois
    Swiss Center for Affective Sciences, University of Geneva, Geneva, Switzerland
    Neuropsychologia 45:2621-5. 2007
  9. ncbi Enhanced extrastriate visual response to bandpass spatial frequency filtered fearful faces: time course and topographic evoked-potentials mapping
    Gilles Pourtois
    Neurology and Imaging of Cognition, Clinic of Neurology, University of Geneva, Switzerland
    Hum Brain Mapp 26:65-79. 2005
  10. doi Attentional load modifies early activity in human primary visual cortex
    Karsten S Rauss
    Department of Neurosciences, Laboratory for Neurology and Imaging of Cognition, University of Geneva, Rue Michel Servet 1, Geneva, Switzerland
    Hum Brain Mapp 30:1723-33. 2009

Detail Information

Publications34

  1. doi Beyond conventional event-related brain potential (ERP): exploring the time-course of visual emotion processing using topographic and principal component analyses
    Gilles Pourtois
    Laboratory for Behavioral Neurology and Imaging of Cognition, Department of Neuroscience and Clinic of Neurology, University of Geneva, Geneva, Switzerland
    Brain Topogr 20:265-77. 2008
    ..These findings highlight the added value of such alternative analyses when exploring the electrophysiological manifestations of complex and distributed mental functions, as for instance during emotion processing...
  2. ncbi Two electrophysiological stages of spatial orienting towards fearful faces: early temporo-parietal activation preceding gain control in extrastriate visual cortex
    Gilles Pourtois
    Department of Neuroscience, Neurology and Imaging of Cognition, Clinic of Neurology, University Medical Centre CMU, Bat A, Physiology, Geneva, Switzerland
    Neuroimage 26:149-63. 2005
    ....
  3. ncbi Portraits or people? Distinct representations of face identity in the human visual cortex
    Gilles Pourtois
    Neurology and Imaging of Cognition, Clinic of Neurology and Department of Neurosciences, University of Geneva, Switzerland
    J Cogn Neurosci 17:1043-57. 2005
    ..This pattern provides new insights into the nature of face representation in the human visual system...
  4. ncbi Perception of facial expressions and voices and of their combination in the human brain
    Gilles Pourtois
    Donders Laboratory for Cognitive and Affective Neuroscience, University of Tilburg, Tilburg, The Netherlands
    Cortex 41:49-59. 2005
    ..These results suggest that during the multisensory perception of emotion, affective information from face and voice converge in heteromodal regions of the human brain...
  5. ncbi Dissociable roles of the human somatosensory and superior temporal cortices for processing social face signals
    Gilles Pourtois
    Neurology and Imaging of Cognition, Clinic of Neurology and Department of Neurosciences, University Medical Center, 1 rue Michel Servet, CH 1211 Geneva, Switzerland
    Eur J Neurosci 20:3507-15. 2004
    ..The present study supports a critical role of the somatosensory and superior lateral temporal regions in the perception of fear expression and gaze shift in seen faces, respectively...
  6. ncbi Dynamics of emotional effects on spatial attention in the human visual cortex
    Gilles Pourtois
    Neurology and Imaging of Cognition, Clinic of Neurology, University Hospital and Department of Neurosciences, University Medical Center, University of Geneva, Switzerland
    Prog Brain Res 156:67-91. 2006
    ..These brain-imaging results reveal how emotional signals related to threat can play an important role in modulating spatial attention to afford flexible perception and action...
  7. ncbi Electrophysiological correlates of rapid spatial orienting towards fearful faces
    Gilles Pourtois
    Neurology and Imaging of Cognition, University of Geneva, Switzerland
    Cereb Cortex 14:619-33. 2004
    ..These results provide evidence for neural mechanisms allowing rapid, exogenous spatial orienting of attention towards fear stimuli...
  8. ncbi Direct intracranial recording of body-selective responses in human extrastriate visual cortex
    Gilles Pourtois
    Swiss Center for Affective Sciences, University of Geneva, Geneva, Switzerland
    Neuropsychologia 45:2621-5. 2007
    ..These findings provide the first direct electrophysiological evidence for an early visual processing stage in human lateral occipitotemporal cortex that is specialized for processing human body shapes...
  9. ncbi Enhanced extrastriate visual response to bandpass spatial frequency filtered fearful faces: time course and topographic evoked-potentials mapping
    Gilles Pourtois
    Neurology and Imaging of Cognition, Clinic of Neurology, University of Geneva, Switzerland
    Hum Brain Mapp 26:65-79. 2005
    ....
  10. doi Attentional load modifies early activity in human primary visual cortex
    Karsten S Rauss
    Department of Neurosciences, Laboratory for Neurology and Imaging of Cognition, University of Geneva, Rue Michel Servet 1, Geneva, Switzerland
    Hum Brain Mapp 30:1723-33. 2009
    ....
  11. ncbi Emotion and attention interactions in social cognition: brain regions involved in processing anger prosody
    David Sander
    Geneva Emotion Research Group, Department of Psychology, University of Geneva, Switzerland
    Neuroimage 28:848-58. 2005
    ....
  12. ncbi The voices of wrath: brain responses to angry prosody in meaningless speech
    Didier Grandjean
    Geneva Emotion Research Group, Department of Psychology, University of Geneva, Bd du Pont d Arve 40, CH 1205 Geneva, Switzerland
    Nat Neurosci 8:145-6. 2005
    ..Attention and emotion seem to have separate effects on stimulus processing, reflecting a fundamental principle of human brain organization shared by voice and face perception...
  13. ncbi Neural systems for orienting attention to the location of threat signals: an event-related fMRI study
    Gilles Pourtois
    Neurology and Imaging of Cognition, Clinic of Neurology, University Hospital and Department of Neurosciences, University Medical Center, Switzerland
    Neuroimage 31:920-33. 2006
    ..Neural mechanisms responsible for orienting attention towards emotional vs. non-emotional stimuli are thus partly shared in parietal and visual areas, but also partly distinct...
  14. doi Effects of attentional load on early visual processing depend on stimulus timing
    Karsten Rauss
    Department of Neuroscience, University of Geneva, Geneva, Switzerland
    Hum Brain Mapp 33:63-74. 2012
    ..These findings suggest that stimulus timing can profoundly alter the effects of attentional load on the earliest stages of processing in human visual cortex...
  15. ncbi View-independent coding of face identity in frontal and temporal cortices is modulated by familiarity: an event-related fMRI study
    Gilles Pourtois
    Department of Neurosciences, Neurology and Imaging of Cognition, Clinic of Neurology, University Hospital, University Medical Center, Switzerland
    Neuroimage 24:1214-24. 2005
    ....
  16. ncbi Simultaneous recording of EEG and facial muscle reactions during spontaneous emotional mimicry
    Amal Achaibou
    Laboratory for Neurology and Imaging of Cognition, Department of Neuroscience and Clinic of Neurology, University Medical Center, Geneva, Switzerland
    Neuropsychologia 46:1104-13. 2008
    ..These findings are discussed against the classical dual-route model of face recognition...
  17. ncbi Time course of brain activity during change blindness and change awareness: performance is predicted by neural events before change onset
    Gilles Pourtois
    Neurology and Imaging of Cognition Laboratory, Department of Neuroscience and Neurology Clinic, University Medical Centre CMU, Geneva, Switzerland
    J Cogn Neurosci 18:2108-29. 2006
    ..These results indicate that awareness of visual changes may depend on the attentional state subserved by coordinated neural activity in a distributed network, before the onset of the change itself...
  18. doi Object representations for multiple visual categories overlap in lateral occipital and medial fusiform cortex
    Gilles Pourtois
    Laboratory for Behavioral Neurology and Imaging of Cognition, Department of Neuroscience and Clinic of Neurology, Ghent University, Henri Dunantlaan 2, 9000 Gent, Belgium
    Cereb Cortex 19:1806-19. 2009
    ....
  19. ncbi Effects of perceptual learning on primary visual cortex activity in humans
    Gilles Pourtois
    Laboratory for Neurology and Imaging of Cognition, Department of Neurosciences, University of Geneva, Switzerland
    Vision Res 48:55-62. 2008
    ..Our results demonstrate that successful acquisition of a perceptual skill can produce long-lasting changes for initial sensory inputs in the adult human visual system...
  20. doi Effects of social context and predictive relevance on action outcome monitoring
    Leonie Koban
    Laboratory for Neurology and Imaging of Cognition, Department of Neurosciences, University of Geneva, Geneva, Switzerland
    Cogn Affect Behav Neurosci 12:460-78. 2012
    ....
  21. doi Top-down effects on early visual processing in humans: a predictive coding framework
    Karsten Rauss
    Department of Neuroscience, University of Geneva, Switzerland Geneva Neuroscience Center, University of Geneva, Switzerland
    Neurosci Biobehav Rev 35:1237-53. 2011
    ..Finally, we formulate a theoretical framework for understanding top-down effects on early visual processing in terms of predictive coding...
  22. doi Unavoidable errors: a spatio-temporal analysis of time-course and neural sources of evoked potentials associated with error processing in a speeded task
    Roland Vocat
    Laboratory for Behavioral Neurology and Imaging of Cognition, Department of Neuroscience and Clinic of Neurology, University of Geneva, Geneva, Switzerland
    Neuropsychologia 46:2545-55. 2008
    ..While ERN/Ne processes in anterior cingulate might primarily mediate error detection, Pe processes in posterior cingulate might be more directly related to behavioral adjustment based on the outcome of current actions...
  23. pmc Fear recognition in the voice is modulated by unconsciously recognized facial expressions but not by unconsciously recognized affective pictures
    Beatrice de Gelder
    Donders Laboratory for Cognitive and Affective Neuroscience, University of Tilburg, NL 5000 LE Tilburg, The Netherlands
    Proc Natl Acad Sci U S A 99:4121-6. 2002
    ..This effect obtains for both naturalistic and semantic pairings in the intact field, but is restricted to the naturalistic pairings in the blind field...
  24. ncbi Distributed and interactive brain mechanisms during emotion face perception: evidence from functional neuroimaging
    Patrik Vuilleumier
    Laboratory for Behavioral Neurology and Imaging of Cognition, Clinic of Neurology, University Hospital of Geneva, Geneva, Switzerland
    Neuropsychologia 45:174-94. 2007
    ..The functional implications of these interactions remain to be fully explored, but might play an important role in the normal development of face processing skills and in some neuropsychiatric disorders...
  25. pmc Placebo analgesia affects brain correlates of error processing
    Leonie Koban
    Laboratory for Neurology and Imaging of Cognition, Department of Neurosciences, University of Geneva, Switzerland
    PLoS ONE 7:e49784. 2012
    ..Our results shed new light on the possible functional mechanisms underlying PA, suggesting a placebo-induced transient change in prefrontal error monitoring and control functions...
  26. doi Delayed monitoring of accuracy errors compared to commission errors in ACC
    Benoit Bediou
    Swiss Center for Affective Sciences, University of Geneva, Geneva, Switzerland
    Neuroimage 60:1925-36. 2012
    ....
  27. ncbi Facial expressions modulate the time course of long latency auditory brain potentials
    Gilles Pourtois
    Donders Laboratory for Cognitive and Affective Neuroscience, University of Tilburg, Tilburg, The Netherlands
    Brain Res Cogn Brain Res 14:99-105. 2002
    ..A source localisation analysis performed on the scalp EEG during the time-window corresponding to the P2b component disclosed a single dipole solution in the anterior cingulate cortex...
  28. doi Beyond fear: rapid spatial orienting toward positive emotional stimuli
    Tobias Brosch
    Swiss Centre for Affective Sciences, Department of Psychology, University of Geneva, Geneva, Switzerland
    Psychol Sci 19:362-70. 2008
    ..These results confirm that biological relevance, and not exclusively fear, produces an automatic spatial orienting toward the location of a stimulus...
  29. doi Parametric modulation of error-related ERP components by the magnitude of visuo-motor mismatch
    Roland Vocat
    Laboratory for Behavioural Neurology and Imaging of Cognition, Department of Neuroscience and Clinic of Neurology, University Medical School of Geneva, Switzerland
    Neuropsychologia 49:360-7. 2011
    ....
  30. doi White-matter connectivity between face-responsive regions in the human brain
    Markus Gschwind
    Laboratory for Behavioral Neurology and Imaging of Cognition, Department of Neuroscience, Faculty of Medicine, University of Geneva, CH 1211 Geneva, Switzerland
    Cereb Cortex 22:1564-76. 2012
    ..These results unveil the structural neural architecture of the human face recognition system and provide new insights on how distributed face-responsive areas may work together...
  31. doi When your errors make me lose or win: event-related potentials to observed errors of cooperators and competitors
    Leonie Koban
    University of Geneva, Geneva, Switzerland
    Soc Neurosci 5:360-74. 2010
    ..We conclude that error monitoring for others' actions depends on their congruence with personal goals, and recruits brain systems involved in self-referential processing specifically during cooperation...
  32. ncbi Semantic factors influence multisensory pairing: a transcranial magnetic stimulation study
    Gilles Pourtois
    Laboratory for Cognitive and Affective Neuroscience, Tilburg University, Warandelaan 2, PO Box 90153, 5000 LE Tilburg, The Netherlands
    Neuroreport 13:1567-73. 2002
    ..Our study also illustrates the usefulness of TMS for addressing the role of semantic factors in multi-sensory perception..
  33. ncbi Investigating audiovisual integration of emotional signals in the human brain
    Thomas Ethofer
    Section of Experimental MR of the CNS, Department of Neuroradiology, Otfried Müller Str 51, University of Tubingen, 72076 Tubingen, Germany
    Prog Brain Res 156:345-61. 2006
    ..Assets and drawbacks of the different analysis types are discussed and demonstrated on the basis of one fMRI data set...
  34. ncbi Revisiting Snodgrass and Vanderwart's object pictorial set: the role of surface detail in basic-level object recognition
    Bruno Rossion
    Unité de Neurosciences Cognitive et Laboratoire de Neurophysiologie, Universite Catholique de Louvain, 10 Place du Cardinal Mercier, 1348 Louvain la Neuve, Belgium
    Perception 33:217-36. 2004
    ..In addition, the new stimuli (sets 2 and 3) and the corresponding normative data provide valuable materials for a wide range of experimental and clinical studies of object recognition...