Circadian rhythm in light response in suprachiasmatic nucleus neurons of freely moving rats

被引：39
|
作者：
Meijer, JH
Watanabe, K
Detari, L
Schaap, J
机构：
[1] DOKKYO UNIV, SCH MED, DEPT PHYSIOL, MIBU, TOCHIGI 32102, JAPAN
[2] EOTVOS LORAND UNIV, DEPT COMP PHYSIOL, BUDAPEST, HUNGARY
来源：
BRAIN RESEARCH | 1996年 / 741卷 / 1-2期
关键词：
suprachiasmatic nuclei; circadian system; photic responsiveness; entrainment; neurophysiology; visual system;
D O I：
10.1016/S0006-8993(96)01091-8
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
Long-term recordings of single SCN units were performed in freely moving rats simultaneously with multiunit recordings and evidence is presented for a daily change in light-responsiveness. SCN light response is high during the night and low during the day. We conclude that this difference is caused by a change in sensitivity, with higher sensitivities at night. Moreover, we demonstrate that the circadian rhythm in SCN light response is the result of the integrated behaviour of similarly behaving single SCN units.
引用
收藏
页码：352 / 355
页数：4
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