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The neural circadian system of mammals
The brain’s daily internal clock system in mammals
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Abstract
Circadian rhythms in humans and other mammals are regulated by an endogenous clock in the suprachiasmatic nuclei of the hypothalamus.
- Circadian rhythms involve cyclical changes in physiology and behavior.
- These rhythms are synchronized with the light-dark cycle in the environment.
- Circadian rhythms can persist even in constant environmental conditions.
- The suprachiasmatic nuclei contain cells with unique properties that drive these rhythms.
- The central clock influences daily activities and physiological processes.
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