User profiles for J.-P. Ranjeva

Jean-Philippe RANJEVA

Professor of Neurosciences, Aix-Marseille Université
Verified email at univ-amu.fr
Cited by 10864

Decreased basal fMRI functional connectivity in epileptogenic networks and contralateral compensatory mechanisms

…, PJ Cozzone, P Chauvel, JP Ranjeva… - Human brain …, 2009 - Wiley Online Library
A better understanding of interstructure relationship sustaining drug‐resistant epileptogenic
networks is crucial for surgical perspective and to better understand the consequences of …

Compensatory cortical activation observed by fMRI during a cognitive task at the earliest stage of multiple sclerosis

B Audoin, D Ibarrola, JP Ranjeva… - Human brain …, 2003 - Wiley Online Library
Recent functional magnetic resonance imaging (fMRI) studies have suggested that functional
cortical changes seen in patients with early relapsing‐remitting multiple sclerosis (MS) can …

Differential fMRI responses in the left posterior superior temporal gyrus and left supramarginal gyrus to habituation and change detection in syllables and tones

P Celsis, K Boulanouar, B Doyon, JP Ranjeva, I Berry… - Neuroimage, 1999 - Elsevier
Using a habituation-recovery paradigm adapted to functional magnetic resonance imaging,
we investigated the brain responses to syllables and tones in six right-handed male subjects…

Entorhinal cortex involvement in human mesial temporal lobe epilepsy: an electrophysiologic and volumetric study

…, F Wendling, A Sontheimer, J Régis, JP Ranjeva… - …, 2005 - Wiley Online Library
Purpose: Several studies have demonstrated diminution in the volume of entorhinal cortex (EC)
ipsilateral to the pathologic side in patients with temporal lobe epilepsy (TLE). The …

Role of resting state functional connectivity MRI in presurgical investigation of mesial temporal lobe epilepsy

…, P Chauvel, PJ Cozzone, JP Ranjeva… - Journal of Neurology …, 2010 - jnnp.bmj.com
Objective The authors aimed to determine the ability of resting-state functional connectivity
MRI (fcMRI) to lateralise/localise the epileptogenic zone in patients presenting with mesial …

Magnetic resonance study of the influence of tissue damage and cortical reorganization on PASAT performance at the earliest stage of multiple sclerosis

B Audoin, M Van Au Duong, JP Ranjeva… - Human brain …, 2005 - Wiley Online Library
We sought to determine the influence of tissue damage and the potential impact of cortical
reorganization on the performance to the Paced Auditory Serial Addition Test (PASAT) in …

Atrophy mainly affects the limbic system and the deep grey matter at the first stage of multiple sclerosis

…, PJ Cozzone, J Pelletier, JP Ranjeva - Journal of Neurology …, 2010 - jnnp.bmj.com
Background The existence of grey matter (GM) atrophy right after the first clinical event
suggestive of multiple sclerosis (MS) remains controversial. The aim of this study was therefore to …

Assessing brain connectivity at rest is clinically relevant in early multiple sclerosis

…, PJ Cozzone, J Pelletier, JP Ranjeva… - Multiple Sclerosis …, 2012 - journals.sagepub.com
Objective: The present study aims to determine the clinical counterpart of brain resting-state
networks reorganization recently evidenced in early multiple sclerosis. Methods: Thirteen …

Brain morphometry reproducibility in multi-center 3 T MRI studies: a comparison of cross-sectional and longitudinal segmentations

…, M Leroy, R Lopes, R Bordet, V Chanoine, JP Ranjeva… - Neuroimage, 2013 - Elsevier
Large-scale longitudinal multi-site MRI brain morphometry studies are becoming increasingly
crucial to characterize both normal and clinical population groups using fully automated …

Distribution of Brain Sodium Accumulation Correlates with Disability in Multiple Sclerosis: A Cross-sectional 23Na MR Imaging Study

…, PJ Cozzone, J Pelletier, LR Schad, JP Ranjeva - Radiology, 2012 - pubs.rsna.org
Purpose To quantify brain sodium accumulations and characterize for the first time the spatial
location of sodium abnormalities at different stages of relapsing-remitting (RR) multiple …