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Science 15 October 1971:
Vol. 174. no. 4006, pp. 299 - 302
DOI: 10.1126/science.174.4006.299
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Articles

Circadian Rhythm: Population of Interacting Neurons

Jon W. Jacklet 1 and Jeffrey Geronimo 1

1 Department of Biological Sciences, State University of New York at Albany, Albany 12203

The circadian rhythm in the requency of compound action potentials recorded from the isolated eye of Aplysia is a consequence of interactions among the cells of the retinal population. As the population number is reduced to a critical 20 percent, progressively shorter circadian periods and ranges are expressed. Below the critical number, the population oscillates at ultradian frequencies.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Ionic Currents of Isolated Retinal Pacemaker Neurons: Projected Daily Phase Differences and Selective Enhancement by a Phase-Shifting Neurotransmitter.
S. Barnes and J. W. Jacklet (1997)
J Neurophysiol 77, 3075-3084
   Abstract »    Full Text »    PDF »
Localization of a Circadian Pacemaker in the Eye of a Mollusc, Bulla.
G. D. BLOCK and S. F. WALLACE (1982)
Science 217, 155-157
   Abstract »    PDF »


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