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Juan R. Vidal

Juan R. Vidal

Laboratoire de Psychologie et Neurocognition
Université Pierre Mendès-France
Bâtiment Sciences de l'Homme et Mathématiques
cs40700, 38052 Grenoble Cedex 9 France

personal webpage :


Neurosciences & Psychology

Courses 2014-2015-2016 :
L1 Psychology : Cognitive Psychology
L2 Psychology : Functional Neuroanatomy
L2 Psychology : Neuroimaging Methods
L3 Psychology : Neurophysiology
L3 Psychology : Neuropsychology
Master in Social and Cognitive Psychology : Neuroimaging Methods

Research themes

  • Conscious / unconscious perception
  • Intrinsic brain states of consciousness
  • Perceptual predictions and expectations
  • Selective attention
  • Neuronal oscillations / neuronal interactions
  • Brain network dynamics
  • Brain state transitions (rest/wake - sleep)


  • Behavioral psychophysics
  • Electrophysiology - Spectral / Causal analyses
  • Intracranial EEG (iEEG)
  • Magnetoencephalography (MEG)
  • Electroencephalography (EEG)


  • Perrone-Bertolotti M, Girard C, Cousin E, Vidal JR, Pichat C, Kahane P, Baciu M. (2015) NEREC, an effective brain mapping protocol for combined language and long-term memory functions. Epilepsy and Behavior. 2015 Dec ;53:140-8
  • Levy J, Vidal JR, Fries P, Demonet JF, Goldstein A (2015) Selective Neural Synchrony Suppression as a Forward Gatekeeper to Piecemeal Conscious Perception. Cerebral Cortex
  • Vidal JR, Perrone-Bertolotti M, Kahane P, Lachaux JP (2015) Intracranial spectral amplitude dynamics of perceptual suppression in fronto-insular, occipito-temporal and primary visual cortex. Frontiers in Psychology 5:1545. Doi:10.3389/fpsyg.2014.01545 LINK :
  • Vidal JR, Perrone-Bertolotti M, Minotti L, De Palma L, Kahane P, Lutz A ,Jerbi K,Lachaux JP (2014) Neural Repetition Suppression in Ventral Occipito-Temporal Cortex Occurs during Conscious and Unconscious Processing of Frequent Stimuli. NeuroImage
  • Hamame CM, Vidal JR, Perrone-Bertolotti M, Ossandon T, Jerbi K, Kahane P, Bertrand O, Lachaux JP (2014). Functional selectivity in the human occipitotemporal cortex during natural vision : evidence from combined intracranial EEG and eye-tracking. NeuroImage
  • Perrone-Bertolotti M, Vidal JR, de Palma L, Hamame CM, Ossandon T, Kahane P, Minotti L, Bertrand O, Lachaux JP (2014) Turning visual shapes into sounds : early stages of reading acquisition revealed in the ventral occipitotemporal cortex. NeuroImage
  • Vidal JR*, Levy J*, Oostenveld R, FitzPatrick I, Démonet JF, Fries P (2013) Alpha-band Suppression in the Visual Word Form Area as a Functional Bottleneck to Consciousness. NeuroImage . Sep ;78:33-45
  • Jerbi K, Combrisson E, Dalal SS, Vidal JR*, Hamame CM, Bertrand O, Berthoz A, Kahane P, Lachaux JP (2013) Decoding cognitive states and motor intentions from intracranial EEG : How promising is high-frequency brain activity for brain-machine interfaces ? Epilepsy & Behavior . Aug ; 28(2):283-302, doi : 10.1016/j.yebeh.2013.03.012
  • Bastin J, Vidal JR, Bouvier S, Perrone-Bertolotti M, Bénis D, Kahane P, David O, Lachaux JP, Epstein RA (2013) Temporal Components of Parahippocampal Selectivity Revealed by Human Intracerebral Recordings. Journal of Neuroscience . 12 June, 33(24) : 10123-10131
  • Hamame CM, Szwed M, Sharman M, Vidal JR, Perrone-Bertolotti M, Kahane P, Bertrand O, Lachaux JP. (2013) Dejerines’ reading area revisited with intracranial-EEG : selective responses to letter strings. Neurology . Feb 5 ;80(6):602-3
  • Perrone-Bertolotti M, Kujala J, Vidal JR, Hamame CM, Ossandon T, Bertrand O, Minotti L, Kahane P, Jerbi K, and Lachaux JP (2012) How silent is silent reading ? Intracerebral evidence for top-down activation of temporal voice areas during reading. Journal of Neuroscience . Dec 5 ; 32(49):17554-17562. Commented in Current Biology by Petkov and Belin, 2013
  • Vidal JR, Freyermuth S, Jerbi K, Hamame CM, Ossandon T, Bertrand O, Minotti L, Kahane P, Berthoz A, Lachaux JP. (2012) Long-distance amplitude correlations in the high gamma-band reveal segregation and integration within the reading network. Journal of Neuroscience . May 9 ;32(19):6421-6434
  • Vidal JR*, Ossandon T*, Ciumas C, Jerbi K, Hamame CM, Dalal SS, Bertrand O, Minotti L, Kahane P, Lachaux JP. (2012) Efficient ’Pop-Out’ Visual Search Elicits Sustained Broadband Gamma Activity in the Dorsal Attention Network. Journal of Neuroscience . Mar 7 ;32(10):3414-21.
  • Hamame CM, Vidal JR, Ossandon T, Jerbi K, Dalal SS, Minotti L, Bertrand O, Kahane P, Lachaux JP (2012) Reading the mind’s eye : Online detection of visuo-spatial working memory and visual imagery in the inferior temporal lobe. NeuroImage , Jan 2 ;59(1):872-9 Epub 2011 Aug 3
  • Ossandón T, Jerbi J, Vidal JR, Bayle D, Henaff MA, Jung J, Minotti L, Bertrand O, Kahane P, Lachaux JP (2011) Transient suppressions of broadband gamma power in the default-mode network is correlated with task complexity and subject performance. Journal of Neuroscience . Oct 12 ;31(41):14521-30
  • Vidal JR*, Juphard, A*, Perrone-Bertolotti M, Minotti L, Kahane P, Lachaux JP, Baciu M (2011) Direct evidence for two different neural mechanisms for reading familiar and unfamiliar words : an intra-cerebral EEG study. Frontiers in Hum Neurosc Sep 20 ; 5:101. LINK :
  • Dalal SS, Vidal JR, Hamamé CM, Ossandon T, Bertrand O, Lachaux JP, Jerbi K (2011) Spanning the rich spectrum of the human brain. Brain Struct Funct Jun ; 216(2) : 77-84.
  • Jung J, Bayle D, Jerbi K, Vidal JR, Hénaff MA, Ossandon T, Mauguière F, Lachaux JP. (2011) Intracerebral gamma modulations reveal interaction between emotional processing and action outcome evaluation in the Human orbitofrontal cortex. Int J. Psychophysiology . Jan ; 79(1) : 64-72
  • Jerbi K, Vidal JR, Mattout J, Maby E, Lecaignard F, Ossandon T, Hamamé CM, Dalal SS, Bouet R, Lachaux JP, Leahy RM, Baillet S, Garnero L, Delpuech C, Bertrand O (2011) Inferring hand movement kinematics from MEG, EEG and intracranial EEG : From brain-machine interfaces to motor rehabilitation. IRBM - BioMedical Engineering Research .
  • Vidal JR, Ossandón T, Jerbi K, Dalal SS, Minotti L, Ryvlin P, Kahane P, Lachaux JP (2010) Category-specific visual responses : an intracranial study comparing gamma, beta, alpha and ERP response selectivity. Front in Hum Neurosc Nov 11 ; 4:195. LINK :
  • Vidal JR*, Jerbi K*, Ossandon T, Dalal SS, Jung J, Hoffmann D, Minotti L, Bertrand O, Kahane P, Lachaux JP (2010) Exploring the electrophysiological correlates of the default-mode network with intracerebral EEG. Front Syst Neurosci. Jun 28 ;4:27. LINK :
  • Vidal JR, Chaumon M, O’Regan JK, Tallon-Baudry C (2006) Visual grouping and the focusing of attention induce gamma-band oscillations at different frequencies in human magnetoencephalogram signals. J Cogn Neurosci 18:1850-1862
  • Vidal JR, Gauchou HL, Tallon-Baudry C, & O’Regan JK (2005) Relational information in visual short-term memory : The structural gist. Journal of Vision , 5(3), 244-255
  • P Ahumada, G Astorga, K Bull-Hereñu, R Cabrera, L Caputo, C Carmona, M. C Cecchi,*, N Cortes, S Cortez, C Dorador, F Fredes, C Guerrero-bosagna, P Henny, C Libedinsky, W Marcelo, I. N Marquez, J Martinez, M Medina, D Parra, N Pohl, H Pottstock, T Ossandon, P Razeto, D Rubilar, C Salas, F Salinas, E Sepulveda, C Soto, R Suarez, A Vargas, T Vega-Zuñiga, N Velazquez, J Vidal, CA. Villagran & CP. Villavicencio (2005) Undergraduate teaching of evolution in chile : more than natural selection. Revista Chilena de Historia Natural 78 : 169-170.

* These authors contributed equally

Book Chapters

  • Vidal JR, Hamame CM, Jerbi K, Dalal SS, Ciumas C, Perrone-Bertolotti M, Ossandon T, Minotti L, Kahane P, Lachaux JP (2011). Localizing cognitive functions in epilepsy with intracranial gamma-band dynamic responses. In Helmstaedter, C., Lassonde, M., Hermann, B., Kahane, P., and Arzimanoglou, A. Neuropsychology in the Care of People with Epilepsy. Paris : John Libbey Eurotext.
  • E. Hugues, J.R. Vidal, J.P. Lachaux, G. Deco (2013). Brain Dynamics At Rest : How Structure Shapes Dynamics. Multiscale Analysis and Nonlinear Dynamics : from Molecules to the Brain, Reviews of Nonlinear Dynamics and Complexity series, H.G. Schuster, M. Pesenson (eds.),Wiley-Blackwell.

Commentary and scientific press communication

I love colors ! But what does it mean ?