A Lateralized Brain Network for Visuospatial Attention

Michel Thiebaut de Schotten (1) , Flavio Dell'Acqua (1) , Stephanie Forkel (1) , Andrew Simmons (1) , Francesco Vergani (1) , Declan G.M. Murphy (1) , Marco Catani (1)

1 Natbrainlab, Department of Forensic and Neurodevelopmental Sciences

Right hemisphere dominance for visuospatial attention is characteristic for most humans, but its anatomical basis remains unknown. We report the first evidence in humans for a larger parieto-frontal network in the right than left hemisphere; and a significant correlation between the degree of anatomical lateralization and asymmetry of performance on visuospatial tasks. Our results suggest that hemispheric specialization is associated with an unbalanced speed of visuospatial processing.

Mots clés: Cognition; Neuroimaging; Behaviour; Neurological Disorders; cognitive neurology

Domaines: Neurosciences [q-bio.NC]

Michel Thiebaut de Schotten, Flavio Dell'Acqua, Stephanie Forkel, Andrew Simmons, Francesco Vergani, et al.. A Lateralized Brain Network for Visuospatial Attention. Nature Neuroscience, 2011, ⟨10.1038/nn.2905⟩. ⟨hal-00680170⟩