June 1966

Somnambulism: Psychophysiological CorrelatesI. All-Night EEG Studies

Author Affiliations

From the Department of Psychiatry (Dr. Anthony Kales and Dr. Paulson), Department of Anatomy (Mr. Jacobson), and the Department of Neurology (Dr. Walter), UCLA Center for Health Services, Los Angeles; the Neuropsychiatric Institute, Department of Mental Hygiene, Los Angeles (Dr. Paulson); and the Psychiatry Service, VA Center, Los Angeles (Dr. Joyce Kales).

Arch Gen Psychiatry. 1966;14(6):586-594. doi:10.1001/archpsyc.1966.01730120026004

A great perturbation in nature, to receive at once the benefit of sleep and do the effects of watching. In this slumbery agitation, besides her walking and her other actual performances, what, at any time, have you heard her say? —W. Shakespeare

THE BEHAVIOR of somnambulists has led to a general belief that sleepwalking is the acting out of a dream.1-3 In a previous study 4 we observed the relation of sleepwalking to the sleep-dream cycle directly, by utilizing the rapid eye movement (REM) method of dream detection * and obtaining electroencephalographic (EEG) recordings throughout the night by means of special cables or a biotelemetry unit which allowed for subject mobility. Nine subjects (seven male and two female) ages 9 to 23 years were studied for a total of 47 subject nights in our laboratory. Six of the subjects were children and three adults, age 16 years being

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