Abnormal responses to 13 questions from a typical mental status examination and 32 signs of neurological dysfunction were correlated with increasing degrees of cognitive impairment as measured by the Halstead-Reitan Neuropsychological Battery. Thirteen of these factors were found to be useful predictors of diffuse cerebral dysfunction when combined into a brief screening examination for applica...

Visual suppression of vestibulo-ocular reflexes (induced vestibular nystagmus) differs between normal subjects and patients with various neurological disorders. Abnormalities of VOR suppression were associated consistently with abnormalities of the visual and/or vesitibular oculomotor reflexes and in particular with abnormal smooth pursuit eye movements in the direction of abnormal suppression....