title: Simultaneous recording of pupillary hippus and EEG. Report of a case.
abstract: Pupillary hippus was observed and recorded in a man of 44 years, who had epileptic seizures, chronic alcoholism with liver disease and Primidon intoxication, during a period of unconsciousness of 24 h. During this time the simultaneous records of the EEG and pupillogram over a long period of time revealed that the basic EEG rhythm and hippus had the same frequency. Both recordings were temporarily in phase, time-locked, and could be blocked by painful and acoustic stimuli. The etiology and interpretation of hippus are discussed.
mesh_terms: D000328:Adult; D000437:Alcoholism / Q000150:complications; D001264:Athetosis / Q000175:diagnosis*; D004569:Electroencephalography; D004830:Epilepsy, Tonic-Clonic / Q000150:complications; D006801:Humans; D008297:Male; D011324:Primidone / Q000506:poisoning; D011680:Pupil; D014474:Unconsciousness
chemical_list: D011324:Primidone