Ultradian Rhythms in Human Performance
- 1 December 1971
- journal article
- research article
- Published by SAGE Publications
- Vol. 33 (3_suppl), 1171-1174
- https://doi.org/10.2466/pms.1971.33.3f.1171
Abstract
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.Keywords
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