Accession Number : AD0712195

Title :   EEG CHANGES AFTER 1, 4, AND 7 DAYS OF SENSORY DEPRIVATION: A CROSS-SECTIONAL APPROACH,

Corporate Author : MANITOBA UNIV WINNIPEG

Personal Author(s) : Zubek,John P. ; Shephard,Jean Mary ; Milstein,S. L.

Report Date : 1970

Pagination or Media Count : 2

Abstract : Three groups of Ss, exposed to 1.4, or 7 days of sensory deprivation (darkness and silence), all showed a significant post-isolation decrease in occipital alpha frequency. However, no indication of a progressive decrease in mean alpha frequency as a function of increasing duration of sensory deprivation was obtained, a finding contrary to that reported in several earlier studies employing a longitudinal approach. After each of the three durations, the magnitude of the post-isolation decrease was approximately 1 Hz. It was concluded that a different temporal pattern of EEG changes may occur, depending on whether a cross-sectional or longitudinal test procedure is employed. (Author)

Descriptors :   (*BRAIN, ELECTRIC CURRENTS), (*SENSORY DEPRIVATION, IMPACT), ELECTROENCEPHALOGRAPHY, STUDENTS, MALES, TIME, ANALYSIS OF VARIANCE, FREQUENCY

Subject Categories : Anatomy and Physiology

Distribution Statement : APPROVED FOR PUBLIC RELEASE