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Brain circadian clocks timing the 24h rhythms of behavior
Brain’s internal clocks controlling daily behavior rhythms
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Abstract
The hypothalamic (SCN) is the principal clock coordinating in mammals.
- Multiple brain regions exhibit 24-hour activity in electrical properties, metabolic processes, and gene expression.
- Some regions display robust, self-sustained oscillatory activity, while others rely on the SCN for rhythmicity.
- The presence of multiple circadian clocks in the brain may enhance adaptability to environmental rhythms.
- The review emphasizes the functional relationship between these central clocks and the SCN in regulating behavior.
- Maintaining a network of circadian clocks could support better physiological health and behavioral adaptation.
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