Neurologic Exam-Adult | Cranial Nerve Exam | Abnormal | Smooth Pursuit

Cranial Nerve Exam - Abnormal 11 - Smooth Pursuit: The patient shown has progressive supranuclear palsy. As part of this disease there is disruption of fixation by square wave jerks and impairment of smooth pursuit movements. Saccadic eye movements are also impaired. Although not shown in this video, vertical saccadic eye movements are usually the initial deficit in this disorder.