multiinfarct dementia /-infärkt″/ [L, multus + infarcire, to stuff, de, away, mens, mind] , a form of organic brain disease characterized by the rapid deterioration of intellectual functioning, caused by vascular disease. Symptoms include emotional lability; disturbances in memory, abstract thinking, judgment, and impulse control; and focal neurological impairment, such as gait abnormalities, pseudobulbar palsy, and paresthesia.
