n. impairment of the ability to perceive or focus on more than one element of a complex visual stimulus at a time, resulting in inability to understand the overall meaning of a situation or scene. This may result from trauma or a stroke at the junction of the occipital and parietal lobes.
a disorder, arising from bilateral occipito-parietal *strokes, characterized by inability to perceive the visual field as a whole (simultanagnosia), difficulty in fixating the eyes (oculomotor apraxia), and inability to move the hand to a specific object using vision (optic ataxia). [R. Balint (1874–1929), Hungarian neurologist]... balint’s syndrome
Health Encyclopedia