Gilles-Louis Defer

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Working memory has been successively considered as a mnesic or executive process. The cognitive processes involved in working memory and the executive functions are closely linked. Most authors currently agree that executive functions include planning, attentional maintenance, mental flexibility and attentional inhibition. Considering that the role of the(More)
Magnetic resonance imaging (MRI) is the main tool for detecting central nervous system lesions in MS. However, classical anatomical MRI is unable to assess exactly disease related injury in normal-appearing brain tissue and to give information about the functional consequences of the disease, explaining weak correlation frequently observed between lesion(More)
Idiopathic basal ganglia calcification (FIBGC) is a rare autosomal dominant neurodegenerative disease, the main clinical signs of which are parkinsonism, cognitive deterioration and/or psychiatric troubles. Familial forms are rare. The underlying basis is not known. We performed detailed neurological, neuropsychological, brain CT scans and MRI evaluations(More)
BACKGROUND Fatigue is a common but complex symptom of multiple sclerosis. A central origin is now suggested as a key feature of its pathophysiology and gray matter (GM) structure seems to be (particularly) involved in the neurobiological basis of fatigue in multiple sclerosis (MS) patients. METHODS We investigated, in a cohort of 17 Relapsing-Remitting-MS(More)
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