O Blanke

Summary

Affiliation: University Hospital
Country: Switzerland

Publications

  1. ncbi Out-of-body experience, heautoscopy, and autoscopic hallucination of neurological origin Implications for neurocognitive mechanisms of corporeal awareness and self-consciousness
    Olaf Blanke
    Laboratory of Cognitive Neuroscience, Brain Mind Institute, Ecole Polytechnique Fédérale de Lausanne Swiss Federal Institute of Technology EPFL, 1015 Lausanne, Switzerland
    Brain Res Brain Res Rev 50:184-99. 2005
  2. ncbi Induction of an illusory shadow person
    Shahar Arzy
    Laboratory of Cognitive Neuroscience, , Lausanne 1015, Switzerland
    Nature 443:287. 2006
  3. ncbi Direction-specific motion blindness induced by focal stimulation of human extrastriate cortex
    O Blanke
    Department of Neurology, University Hospital of Geneva, 24 Rue Micheli du Crest, 1211 Geneva, Switzerland
    Eur J Neurosci 15:2043-8. 2002
  4. ncbi The metaphysical art of Giorgio de Chirico. Migraine or epilepsy?
    Olaf Blanke
    Department of Neurology, Geneva University Hospital, Geneva, Switzerland
    Eur Neurol 50:191-4. 2003
  5. ncbi Neural basis of embodiment: distinct contributions of temporoparietal junction and extrastriate body area
    Shahar Arzy
    Laboratory of Cognitive Neuroscience, Brain Mind Institute, , 1015 Lausanne, Switzerland
    J Neurosci 26:8074-81. 2006
  6. ncbi Direction-selective motion blindness after unilateral posterior brain damage
    Olaf Blanke
    Department of Neurology, University Hospital of Geneva, 24 Rue Micheli du Crest, 1211 Geneva, Switzerland
    Eur J Neurosci 18:709-22. 2003
  7. ncbi Hearing of a presence
    Olaf Blanke
    Functional Brain Mapping Laboratory, Geneva University Hospital, Geneva, Switzerland
    Neurocase 9:329-39. 2003
  8. ncbi Direction of saccadic and smooth eye movements induced by electrical stimulation of the human frontal eye field: effect of orbital position
    Olaf Blanke
    Presurgical Epilepsy Unit, Department of Neurology, University Hospital of Geneva, 24 Rue Micheli du Crest, 1211, Geneva, Switzerland
    Exp Brain Res 150:174-83. 2003
  9. ncbi Stimulating illusory own-body perceptions
    Olaf Blanke
    Laboratory of Presurgical Epilepsy Evaluation, Program of Functional Neurology and Neurosurgery, University Hospital of Geneva, Geneva 1211, Switzerland
    Nature 419:269-70. 2002
  10. ncbi Out-of-body experience and autoscopy of neurological origin
    Olaf Blanke
    Laboratory of Presurgical Epilepsy Evaluation, Programme of Functional Neurology and Neurosurgery, University Hospital, Geneva, Switzerland
    Brain 127:243-58. 2004

Detail Information

Publications47

  1. ncbi Out-of-body experience, heautoscopy, and autoscopic hallucination of neurological origin Implications for neurocognitive mechanisms of corporeal awareness and self-consciousness
    Olaf Blanke
    Laboratory of Cognitive Neuroscience, Brain Mind Institute, Ecole Polytechnique Fédérale de Lausanne Swiss Federal Institute of Technology EPFL, 1015 Lausanne, Switzerland
    Brain Res Brain Res Rev 50:184-99. 2005
    ....
  2. ncbi Induction of an illusory shadow person
    Shahar Arzy
    Laboratory of Cognitive Neuroscience, , Lausanne 1015, Switzerland
    Nature 443:287. 2006
    ..These perceptions may have been due to a disturbance in the multisensory processing of body and self at the temporoparietal junction...
  3. ncbi Direction-specific motion blindness induced by focal stimulation of human extrastriate cortex
    O Blanke
    Department of Neurology, University Hospital of Geneva, 24 Rue Micheli du Crest, 1211 Geneva, Switzerland
    Eur J Neurosci 15:2043-8. 2002
    ..In addition, the direction of MB was found to depend on the brain area stimulated. It is argued that direction specificity for visual motion is not only represented at the single neuron level, but also in much larger cortical units...
  4. ncbi The metaphysical art of Giorgio de Chirico. Migraine or epilepsy?
    Olaf Blanke
    Department of Neurology, Geneva University Hospital, Geneva, Switzerland
    Eur Neurol 50:191-4. 2003
    ..Here we rediscuss de Chirico's symptoms critically and suggest that, if his symptoms were of neurological origin, they rather relate to temporal lobe epilepsy than migraine...
  5. ncbi Neural basis of embodiment: distinct contributions of temporoparietal junction and extrastriate body area
    Shahar Arzy
    Laboratory of Cognitive Neuroscience, Brain Mind Institute, , 1015 Lausanne, Switzerland
    J Neurosci 26:8074-81. 2006
    ..Collectively, these data show that distributed brain activity at the EBA and TPJ as well as their timing are crucial for the coding of the self as embodied and as spatially situated within the human body...
  6. ncbi Direction-selective motion blindness after unilateral posterior brain damage
    Olaf Blanke
    Department of Neurology, University Hospital of Geneva, 24 Rue Micheli du Crest, 1211 Geneva, Switzerland
    Eur J Neurosci 18:709-22. 2003
    ..Third, lesion analysis showed that unilateral damage, not only the human homologue of MT/V5 but also to parieto-occipital cortex, leads to MB...
  7. ncbi Hearing of a presence
    Olaf Blanke
    Functional Brain Mapping Laboratory, Geneva University Hospital, Geneva, Switzerland
    Neurocase 9:329-39. 2003
    ..Based on these findings, it is suggested that the paroxysmal hearing of a person nearby corresponds to an auditory disorder of somatognosia...
  8. ncbi Direction of saccadic and smooth eye movements induced by electrical stimulation of the human frontal eye field: effect of orbital position
    Olaf Blanke
    Presurgical Epilepsy Unit, Department of Neurology, University Hospital of Geneva, 24 Rue Micheli du Crest, 1211, Geneva, Switzerland
    Exp Brain Res 150:174-83. 2003
    ..Fourthly, human studies that investigate eye movements induced from the lateral frontal cortex need to control eye position prior to stimulation...
  9. ncbi Stimulating illusory own-body perceptions
    Olaf Blanke
    Laboratory of Presurgical Epilepsy Evaluation, Program of Functional Neurology and Neurosurgery, University Hospital of Geneva, Geneva 1211, Switzerland
    Nature 419:269-70. 2002
    ....
  10. ncbi Out-of-body experience and autoscopy of neurological origin
    Olaf Blanke
    Laboratory of Presurgical Epilepsy Evaluation, Programme of Functional Neurology and Neurosurgery, University Hospital, Geneva, Switzerland
    Brain 127:243-58. 2004
    ....
  11. ncbi Saccades guided by somatosensory stimuli
    O Blanke
    Institute of Physiology, Freie Universitat Berlin, Arnimallee 23, 14195, Berlin, Germany
    Vision Res 41:2407-12. 2001
    ..The additional application of a tactile cue on the fingertip was not found to influence the accuracy of somatosensory saccades significantly...
  12. ncbi The out-of-body experience: disturbed self-processing at the temporo-parietal junction
    Olaf Blanke
    Functional Brain Mapping Laboratory, Department of Neurology, University Hospital, Geneva, Switzerland
    Neuroscientist 11:16-24. 2005
    ....
  13. ncbi Simple and complex vestibular responses induced by electrical cortical stimulation of the parietal cortex in humans
    O Blanke
    Laboratory for Presurgical Epilepsy Evaluation, Department of Neurology, University Hospital of Geneva, 24 Rue Micheli du Crest, 1211 Geneva, Switzerland
    J Neurol Neurosurg Psychiatry 69:553-6. 2000
    ..The findings suggest vestibular topography and hierarchical processing within the parietal vestibular cortex of humans...
  14. ncbi Linking out-of-body experience and self processing to mental own-body imagery at the temporoparietal junction
    Olaf Blanke
    Functional Brain Mapping Laboratory, Department of Neurology, University Hospital, 1211 Geneva, Switzerland
    J Neurosci 25:550-7. 2005
    ....
  15. ncbi Space-oriented segmentation and 3-dimensional source reconstruction of ictal EEG patterns
    G Lantz
    Plurifaculty Program of Cognitive Neuroscience, Department of Neurology, University Hospital of Geneva, 14 Rue Micheli du Crest, CH 1211 Geneva, Switzerland
    Clin Neurophysiol 112:688-97. 2001
    ....
  16. ncbi Distinct behavioral and EEG topographic correlates of loss of consciousness in absences
    P Vuilleumier
    Department of Neurology, EEG and Clinical Epileptology Unit, and Brain Mapping Laboratory, University Hospital of Geneva, Switzerland
    Epilepsia 41:687-93. 2000
    ..To describe the behavioral and EEG topographic correlates of absences with 3-Hz generalized spike-waves and partitioned impairment of consciousness...
  17. ncbi Pure representational neglect after right thalamic lesion
    S Ortigue
    Department of Neurology, University Hospital of Geneva, Switzerland
    Ann Neurol 50:401-4. 2001
    ....
  18. ncbi Non-invasive epileptic focus localization using EEG-triggered functional MRI and electromagnetic tomography
    M Seeck
    Department of Neurology, University Hospital of Geneva, Switzerland
    Electroencephalogr Clin Neurophysiol 106:508-12. 1998
    ..This approach, i.e. the combination of EEG-triggered fMRI and 3D EEG source analysis, represents a promising additional tool for presurgical epilepsy evaluation allowing precise non-invasive identification of the epileptic foci...
  19. ncbi Double dissociation between representational personal and extrapersonal neglect
    S Ortigue
    Department of Fundamental Neurosciences, University Central Medical School, Hospital of Geneva, Geneva, Switzerland
    Neurology 66:1414-7. 2006
    ..In addition, perceptual neglect can be selectively observed within personal space or extrapersonal space. However, it is not known whether the latter dissociation also exists in representational neglect...
  20. ncbi MRI, (1)H-MRS, and functional MRI during and after prolonged nonconvulsive seizure activity
    F Lazeyras
    Department of Radiology, University Hospital of Geneva, Switzerland
    Neurology 55:1677-82. 2000
    ..These changes can be assessed noninvasively by means of MRI techniques, such as fluid-attenuated inversion recovery (FLAIR), EEG-triggered functional MRI (EEG-fMRI), and proton MR spectroscopy (MRS)...
  21. ncbi Functional MRI with simultaneous EEG recording: feasibility and application to motor and visual activation
    F Lazeyras
    Department of Radiology, University Hospital of Geneva, Rue Micheli du Crest 24, 1211 Geneva 14, Switzerland
    J Magn Reson Imaging 13:943-8. 2001
    ..5 T magnet. Furthermore, fMRI using motor or visual tasks revealed similar areas of activation when performed with and without 16-channel EEG recording. J. Magn. Reson. Imaging 2001;13:943-948...
  22. ncbi Ictal bradycardia in a young child with focal cortical dysplasia in the right insular cortex
    M Seeck
    Laboratory for Presurgical Epilepsy Evaluation, Program of Functional Neurology, Switzerland
    Eur J Paediatr Neurol 7:177-81. 2003
    ..Our finding underlines the predominance of the right insula in cardiac control, which already seems to be present in children...
  23. ncbi Internally driven vs. externally cued movement selection: a study on the timing of brain activity
    G Thut
    Faculty of Psychology, University of Geneva, CH 1227, Carouge, Switzerland
    Brain Res Cogn Brain Res 9:261-9. 2000
    ....
  24. ncbi Speech arrest with stimulation may not reliably predict language deficit after epilepsy surgery
    M Seeck
    Presurgical Epilepsy Evaluation Unit, Functional Neurology and Neurosurgery Program, University of Geneva, Switzerland
    Neurology 66:592-4. 2006
    ..These findings question the well-established principle that corticography directly reflects local cortical functions in all patients...
  25. ncbi EEG-triggered functional MRI in patients with pharmacoresistant epilepsy
    F Lazeyras
    Department of Radiology, University Hospitals of Geneva, Switzerland
    J Magn Reson Imaging 12:177-85. 2000
    ..We conclude that EEG-triggered fMRI is a safe and powerful noninvasive tool that improves the diagnostic value of MRI by localizing the epileptic focus precisely...
  26. ncbi Letters lost in space: hemispace dependent handwriting errors
    Stephanie Ortigue
    Functional Brain Mapping Laboratory, University Hospital of Geneva, 24 Rue Micheli du Crest, CH 1211 Geneva 14, Switzerland
    Neuroreport 15:2545-8. 2004
    ..This suggests that the right hemisphere's role in handwriting may surpass its generally assumed purely spatial contribution. We discuss our results in term of co-registration between both cerebral hemispheres in language processing...
  27. ncbi The 'intrinsic' system in the human cortex and self-projection: a data driven analysis
    Shahar Arzy
    Department of Neurology, Hadassah Hebrew University Hospital, Jerusalem
    Neuroreport 21:569-74. 2010
    ..These data suggest that the first system relates to external stimulus processing ('extrinsic') and the latter one relates to processing of the 'internal milieu' of body and self ('intrinsic')...
  28. ncbi The mental time line: an analogue of the mental number line in the mapping of life events
    Shahar Arzy
    Laboratory of Cognitive Neuroscience, Ecole Polytechnique Federale de Lausanne, 1015 Lausanne, Switzerland
    Conscious Cogn 18:781-5. 2009
    ..We argue that the present time-line data are comparable to the spatial mapping of numbers along the mental number line and that such spatial maps are a fundamental basis for cognition...
  29. ncbi Preattentive interference between touch and audition: a case study on multisensory alloesthesia
    Stephanie Ortigue
    Functional Brain Mapping Laboratory, Department of Neurology, University Hospital of Geneva, Geneva, Switzerland
    Neuroreport 16:865-8. 2005
    ..Our data suggest that auditory-tactile integration and multisensory alloesthesia not only depend on attentional mechanisms, but also on somatotopic preattentive mechanisms...
  30. ncbi Cortical motion deafness
    Christine Y Ducommun
    Functional Brain Mapping Laboratory, University Hospital, 1211 Geneva, Switzerland
    Neuron 43:765-77. 2004
    ..Collectively, these data present a patient with cortical motion deafness, providing evidence that cortical processing of auditory motion is performed in a specialized module within the posterior STG...
  31. ncbi Seeing the phantom: a functional magnetic resonance imaging study of a supernumerary phantom limb
    Asaid Khateb
    Laboratory of Experimental Neuropsychology, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
    Ann Neurol 65:698-705. 2009
    ..Here, we report the case of a left visual, tactile, and intentional SPL caused by right subcortical damage in a nondeluded woman...
  32. ncbi Schizotypal perceptual aberrations of time: correlation between score, behavior and brain activity
    Shahar Arzy
    Laboratory of Cognitive Neuroscience, Brain Mind Institute, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
    PLoS ONE 6:e16154. 2011
    ....
  33. ncbi Pure imagery hemi-neglect of far space
    S Ortigue
    Functional Brain Mapping Laboratory, University Hospital of Geneva, Switzerland
    Neurology 60:2000-2. 2003
    ..If the organization of represented space was similar to that of perceived space, it should contain a far/near dissociation as well. This paper describes a patient with pure representational neglect restricted to far space...
  34. ncbi Symptomatic postictal cardiac asystole in a young patient with partial seizures
    M Seeck
    Department of Neurology, University Hospital of Geneva, Switzerland
    Europace 3:247-52. 2001
    ..A ventricular pacemaker was implanted and was documented to function appropriately, preventing development of bradycardia associated symptoms during subsequent seizures. Possibly relevant cerebral structures are briefly discussed...
  35. ncbi Preliminary evidence for a fronto-parietal dysfunction in able-bodied participants with a desire for limb amputation
    Olaf Blanke
    Laboratory of Cognitive Neuroscience, Brain Mind Institute, Ecole Polytechnique Federale de Lausanne EPFL, Lausanne, Switzerland Department of Neurology, University Hospital, Zurich, Switzerland
    J Neuropsychol 3:181-200. 2009
    ..Here, we searched for potential neurological mechanisms in participants with desire for limb amputation in order to help develop adequate nosological classifications, diagnosis, and treatment...
  36. ncbi Polyopic heautoscopy: Case report and review of the literature
    Peter Brugger
    Department of Neurology, University Hospital Zurich, Zurich, Switzerland
    Cortex 42:666-74. 2006
    ....
  37. ncbi The out-of body experience: precipitating factors and neural correlates
    Silvia Bünning
    Laboratory of Cognitive Neuroscience, Ecole Polytechnique Federale de Lausanne EPFL, Lausanne, Switzerland
    Prog Brain Res 150:331-50. 2005
    ....
  38. ncbi I and me: self-portraiture in brain damage
    Olaf Blanke
    Laboratory of Cognitive Neuroscience, Brain Mind Institute, Ecole Polytechnique Federale de Lausanne EPFL, Lausanne, Switzerland
    Front Neurol Neurosci 22:14-29. 2007
    ..This is followed by a discussion of visuospatial, linguistic, and mnestic mechanisms in self-portraiture that are examined in selected painters...
  39. ncbi The demystification of autoscopic phenomena: experimental propositions
    Christine Mohr
    Department of Experimental Psychology, University of Bristol, 8 Woodland Road, Bristol, BS8 1TN, United Kingdom
    Curr Psychiatry Rep 7:189-95. 2005
    ....
  40. ncbi Cognitive neuroscience of ownership and agency
    Lars Schwabe
    Laboratory of Cognitive Neuroscience, Brain Mind Institute, Lausanne, Switzerland
    Conscious Cogn 16:661-6. 2007
  41. ncbi Influence of galvanic vestibular stimulation on egocentric and object-based mental transformations
    Bigna Lenggenhager
    Laboratory of Cognitive Neuroscience, Brain Mind Institute, Ecole Polytechnique Federale de Lausanne EPFL, Station 15, 1015, Lausanne, Switzerland
    Exp Brain Res 184:211-21. 2008
    ..We suggest that this effect relies on shared functional and cortical mechanisms in the posterior parietal cortex associated with both right anodal GVS and mental imagery...
  42. ncbi Video ergo sum: manipulating bodily self-consciousness
    Bigna Lenggenhager
    Laboratory of Cognitive Neuroscience, Ecole Polytechnique Federale de Lausanne, Station 15, 1015 Lausanne, Switzerland
    Science 317:1096-9. 2007
    ..Our results indicate that spatial unity and bodily self-consciousness can be studied experimentally and are based on multisensory and cognitive processing of bodily information...
  43. ncbi Duration and not strength of activation in temporo-parietal cortex positively correlates with schizotypy
    Shahar Arzy
    Laboratory of Cognitive Neuroscience, Brain Mind Institute, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
    Neuroimage 35:326-33. 2007
    ..We argue that this might reflect local pathology, pathologies in cortico-cortical connections and/or re-entry of top-down processing...
  44. ncbi Enhanced temporal but not attentional processing in expert tennis players
    Leila S Overney
    Laboratory of Cognitive Neuroscience, Brain Mind Institute, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
    PLoS ONE 3:e2380. 2008
    ..We found that certain time-related skills, such as speed discrimination, are superior in tennis players compared to non-athletes and triathletes. Such tasks might be used to improve tennis performance in the future...
  45. ncbi Neural mechanisms of embodiment: asomatognosia due to premotor cortex damage
    Shahar Arzy
    Laboratory of Cognitive Neuroscience, Brain-Mind Institute, , Lausanne, Switzerland
    Arch Neurol 63:1022-5. 2006
    ..CONCLUSION: Asomatognosia may also be associated with damage to the right premotor cortex...
  46. ncbi Why revelations have occurred on mountains? Linking mystical experiences and cognitive neuroscience
    Shahar Arzy
    Laboratory of Cognitive Neuroscience, Brain Mind Institute, Ecole Polytechnique Federale de Lausanne EPFL, Lausanne, Switzerland
    Med Hypotheses 65:841-5. 2005
    ..Cognitive neurosciences, in turn, might profit from the research of mysticism in their endeavor to further our understanding of mechanisms of corporeal awareness and self consciousness...
  47. ncbi Self in time: imagined self-location influences neural activity related to mental time travel
    Shahar Arzy
    Laboratory of Cognitive Neuroscience, Brain Mind Institute, Ecole Polytechnique Federale de Lausanne, 1015 Lausanne, Switzerland
    J Neurosci 28:6502-7. 2008
    ....