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PETIT Laurent

Title: Ph.D.

Status 1: Researcher

CONTACTS :
Address : University of Bordeaux, PAC Carreire, 146 Rue Léo-Saignat, Case 71, CS 61292, 33076 Bordeaux, FRANCE
Phone : +33 547 304 398
Email : laurent.petit-01@u-bordeaux.fr ou lpetit8@gmail.com

Date of birth: August 24th, 1967

Degrees :
2003: Habilitation thesis, University of Caen Basse Normandie
1995: Ph.D. University of Paris VI : Functional anatomy of horizontal saccadic eye movements in healthy human using positron emission tomography.
1991: Prelims in Cognitive Sciences, University of Paris VI.
1990 : Master of Physiology, University of Paris VI

Career :

After a Ph.D. in Cognitive Sciences, Laurent Petit made a first post-doctoral fellowship in 1995 in the Laboratory of Neurophysiology (A. Roucoux, Catholic University of Leuven, Belgium) and a second post-doctoral fellow from 1996 to 1998 at NIMH in Bethesda (United States) in the Laboratory of Brain and Cognition (L. Ungerleider).
Recruited at the CNRS in 1998 as a researcher in the Groupe d’Imagerie Neurofonctionnelle (GIN), today integrated in the GIN-UMR5296 in Bordeaux. Specialist in cognitive neuroimaging, his early work concerned the neural basis of eye movements (saccades, pursuit, fixation), and those of attention and spatial working memory. His current research focuses on the identification of factors and biomarkers of human brain structural and functional variability, a project ignited with the 300 subjects BIL&GIN cohort that includes psychometric measurements, anatomical Magnetic Resonance Imaging (aMRI), diffusion tensor Imaging (DTI), neural bases of language and visuo-spatial functions, and functional data in the conscious resting state.
Methodological expertise in magnetic resonance imaging anatomical and functional imaging (aMRI, DTI, fMRI), Positron Emission Tomography (PET), Electro-and magnetoencephalography (MEG-EEG) and video-oculography (measurement of eye movements).

Current Research topics:

Specialist in cognitive neuroimaging, his early work concerned the neural basis of eye movements (saccades, pursuit, fixation), and those of attention and spatial working memory. His current research focuses on the identification of factors and biomarkers of human brain structural and functional variability, a project ignited with the 300 subjects BIL&GIN cohort (patent n°04724-02).

Publications (since 2007):

At December 1st, 2011: Total of 34 scientific publications in English journals (Science, Journal of Neuroscience, Journal of Neurophysiology, NeuroImage, Human Brain Mapping, Neuropsychologia ...) including 12 articles cited more than 100 times, for a total of 2675 citations.

Author and co-author of several chapters in the book "Cerveau et Psychologie" PUF 2002. Author of Que-sais je? La mémoire (PUF, No. 350) issued in October 2006.
Scientific expert for the french translation of “The Human Brain Book” in “Le grand Larousse du Cerveau” Larousse, 2010.

  • 1 Andersson F, Joliot M, Perchey G, Petit L (2007) Eye position dependent activity in the primary visual area as revealed by fMRI. Human Brain Mapping 28:673-680. (PDF)
  • 2 Courtin C, Jobard G, Vigneau M, Beaucousin V, Razafimandimby A, Hervé PY, Mellet E, Zago L, Petit L, Mazoyer B, Tzourio-Mazoyer N (2011) A common neural system is activated in hearing non-signers to process French Sign Language and spoken French. Brain Research Bulletin 84:75-87. (PDF)
  • 3 Courtin C, Hervé P-Y, Petit L, Zago L, Vigneau M, Beaucousin V, Jobard G, Mazoyer B, Mellet E, Tzourio-Mazoyer N (2010) The neural correlates of highly iconic structures and topographic discourse in French Sign Language as observed in six hearing native signers. Brain and Language 114:180-192. (PDF)
  • 4 Delamillieure P, Doucet G, Mazoyer B, Turbelin MR, Delcroix N, Mellet E, Zago L, Crivello F, Petit L, Tzourio-Mazoyer N, Joliot M (2010) The resting state questionnaire: An introspective questionnaire for evaluation of inner experience during the conscious resting state. Brain Res Bull 81:565-573. (PDF)
  • 5 Doucet Gl, Naveau M, Petit L, Delcroix N, Zago L, Crivello F, Jobard Gl, Tzourio-Mazoyer N, Mazoyer B, Mellet E, Joliot M (2011) Brain activity at rest: a multiscale hierarchical functional organization. J Neurophysiology 105:2753-2763. (PDF)
  • 6 Joliot M, Leroux G, Dubal S, Tzourio-Mazoyer N, Houdé O, Mazoyer B, Petit L (2009) Cognitive inhibition of number/length interference in a Piaget-like task: Evidence by combining ERP and MEG. Clinical Neurophysiology 120:1501-1513. (PDF)
  • 7 Mellet E, Laou L, Petit L, Zago L, Mazoyer B, Tzourio-Mazoyer N (2010) Impact of the virtual reality on the neural representation of an environment. Human Brain Mapping 31:1065-1075. (PDF)
  • 8 Petit L., Simon G, Joliot M, Andersson F, Bertin T, Zago L, Mellet E, and Tzourio-Mazoyer N (2007). Right hemisphere dominance for auditory attention and its modulation by eye position: an event related fMRI study. Restor.Neurol.Neurosci. 25: 211-225. (PDF)
  • 9 Petit L, Zago L, Vigneau M, Andersson F, Crivello F, Mazoyer B, Mellet E, Tzourio-Mazoyer N (2009) Functional asymmetries revealed in visually guided saccades: an fMRI study. J Neurophysiol 102:2994. (PDF)
  • 10 Simon GD, Petit L, Bernard C, Rebai M (2007) N170 ERPs could represent a logographic processing strategy in visual word recognition. Behav Brain Funct 3:21. (PDF)
  • 11 Tzourio-Mazoyer N, Petit L, Razafimandimby A, Crivello F, Zago L, Jobard G, Joliot M, Mellet E, Mazoyer B (2010) Left hemisphere lateralization for language in right-handers is controlled in part by familial sinistrality, manual preference strength and head size. J Neurosci 30:13314-13318. (PDF)
  • 12 Tzourio-Mazoyer N, Simon G, Crivello F, Jobard G, Zago L, Perchey G, Herve PY, Joliot M, Petit L, Mellet E, Mazoyer B (2010) Effect of familial sinistrality on planum temporale surface and brain tissue asymmetries. Cereb Cortex 20:1476-1485. (PDF)
  • 13 Vigneau M, Beaucousin V, Hervé P-Y, Jobard G, Petit L., Crivello F, Tzourio-Mazoyer N (2011). What is right-hemisphere contribution to phonological, lexico-semantic, and sentence processing? Insights from a meta-analysis. NeuroImage 54:577-93. (PDF)
  • 14 Zago L, Petit L, Turbelin MR, Andersson F, Vigneau M, Tzourio-Mazoyer N (2008) How verbal and spatial manipulation networks contribute to calculation: An fMRI study. Neuropsychologia 46:2403-2414. (PDF)
  • 15 Zago L, Petit L, Mellet E, Joliot M, Mazoyer B, Tzourio-Mazoyer N (2010) Neural correlates of counting large numerosity. ZDM Mathematics Education 42:569-577. (PDF)

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