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Ultradian Rhythms in Human Performance

1971; SAGE Publishing; Volume: 33; Issue: 3_suppl Linguagem: Inglês

10.2466/pms.1971.33.3f.1171

1558-688X

Gordon G. Globus, Robert L. Drury, Eric C. Phoebus, Robert R. Boyd,

Visual perception and processing mechanisms

An ultradian rhythm in waking performance on the order of 100 min. was hypothesized based on the period of the rapid eye-movement—non-rapid eye-movement intrasleep cycle. Errors on a visual continuous performance task (signal detection) over 6 hr. were analyzed for 19 Ss. Data analysis by fitting sinusoidal curves showed a peak at the expected frequency of 100 min.