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Science 22 June 1979:
Vol. 204. no. 4399, pp. 1326 - 1328
DOI: 10.1126/science.451541
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Articles

Science, Vol 204, Issue 4399, 1326-1328
Copyright © 1979 by American Association for the Advancement of Science

articles

Rhythms in human performance: 1 1/2-hour oscillations in cognitive style

R Klein and R Armitage

Performance on verbal and spatial matching tasks was assessed every 15 minutes for 8 hours. Significant 60- to 100-minute oscillations were observed for each task. These oscillations were 180 degrees out of phase, supporting the hypothesis that in humans the basic rest activity cycle involves alternating activation of processing systems residing in the two cerebral hemispheres.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)