Visual Heminegligence (or Visual Neglect) difficulty is a patient having to orient, act or respond to stimuli or actions occurring on the contralateral side to a hemispheric lesion, namely the visual hemi-field (half of the visual field) opposite the side of the lesion. If the lesion was in the right hemisphere then there hemineglect left hemifield. This effect occurs both with an object as seen by one imagined.
