Impaired Initiation But Not Execution Of Contralesional Saccades In Hemispatial Neglect

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Impaired initiation but not execution of contralesional

40 M. Behrmann et al. / Impaired initiation but not execution of contralesional saccades to the eye movementpattern in a groupof patients with hemispatial neglect. We first describe the neurobehav-ioral disorder and then review the evidence favoring an impairment in the planning of action in hemispatial neglect.

Motor aspects of hemispatial neglect

shown by neglect patients in executing leftward sac-cades during spatial search tasks reflects a deficit in perception, in saccade planning, or in saccade execu-tion. They report that patients with left neglect are impaired in planning but not in executing the contrale-sional saccades, and suggest that parietal cortex may