SEASONAL MODULATION AND NON-24-HOUR ENTRAINMENT OF A CIRCADIAN RHYTHM IN A SINGLE NEURON

被引:30
作者
LICKEY, ME
机构
来源
JOURNAL OF COMPARATIVE AND PHYSIOLOGICAL PSYCHOLOGY | 1969年 / 68卷 / 1P1期
关键词
non-24 hr. entrainment of circadian rhythm in single neuron; isolated abdominal ganglion of sea hare; seasonal modulation &;
D O I
10.1037/h0027634
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
The isolated abdominal ganglion of the sea hare (Aplysia californica) contains an identifiable neuron which has a circadian rhythm in the frequency of its autorhythmic spikes. It was found that: (1) the phase of the rhythm has a seasonal modulation such that during the cool season the maximum spike rate occurs near the time of projected dawn or dusk while during the warm season the maximum spike rate occurs near the time of projected midday or midnight; (2) the cellular rhythm can be entrained to environmental light cycles having periods of 21, 24, or 27 hr.; (3) 27-hr light cycles reduce the cell's mean level of activity. (15 ref.) (PsycINFO Database Record (c) 2006 APA, all rights reserved). © 1969 American Psychological Association.
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页码:9 / &
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