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Article Dans Une Revue Revue Neurologique Année : 2021

Visual and motor neglect: clinical and neurocognitive aspects

Paolo Bartolomeo
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Résumé

Attention allows us to prioritize the processing of external information according to our goals, but also to cope with sudden, unforeseen events. Attention processes rely on the coordinated activity of large-scale brain networks. At the cortical level, these systems are mainly organized in fronto-parietal networks, with functional and anatomical asymmetries in favor of the right hemisphere. Dysfunction of these right-lateralized networks often produce severe deficit of spatial attention, such as visual neglect. Other brain-damaged patients avoid moving the limbs contralateral to their brain lesion, even in the absence of sensorimotor deficits (motor neglect). This paper first summarizes past and current evidence on brain networks of attention; then, it presents clinical and experimental findings on visual and motor neglect, and on the possible mechanisms of clinical recovery.
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Dates et versions

hal-03264259 , version 1 (18-06-2021)

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Paolo Bartolomeo. Visual and motor neglect: clinical and neurocognitive aspects. Revue Neurologique, 2021, 177 (6), pp.619-626. ⟨10.1016/j.neurol.2020.09.003⟩. ⟨hal-03264259⟩
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