Suprachiasmatic nucleus
Videos
The suprachiasmatic nucleus or nuclei is a small region of the brain in the hypothalamus, situated directly above the optic chiasm. It is responsible for regulating sleep cycles in animals. Reception
Location of suprachiasmatic nucleus (in green between optic chiasm and hypothalamus)
A thermographic image of an ectothermic snake wrapping around the hand of an endothermic human
A variation of an eskinogram showing the influence of light and darkness on circadian rhythms and related physiology and behavior through the SCN in humans