Delusions and mood disorders in patients with chronic aphasia.

Sixty-one inpatients manifesting chronic aphasic syndromes were reviewed. Most aphasic patients with behavioral abnormalities sufficiently severe to require hospitalization had posterior hemispheric lesions and fluent disorders. Thirty-eight (62%) had fluent aphasia, eight (13%) had nonfluent aphasia, and 15 (25%) had anomic, global, or transcortical aphasic syndromes. Delusions were more common among patients with fluent aphasias (58%), whereas depression was the most common psychiatric disorder among patients with anterior lesions (63%). Elation occurred in 12 patients, 11 with posterior lesions and 1 with a nonlocalizing syndrome. Neuropsychiatric disturbances in patients with chronic aphasia syndromes correlate with the type of language disorder and with the location of the associated lesion.