Lesion of which hypothalamic nuclei leads to loss of circadian rhythm
Correct Answer: Suprachiasmatic
Description: The suprachiasmatic nucleus or nuclei, abbreted SCN, is a tiny region on the brain&;s midline, situated directly above the optic chiasm. It is responsible for controlling circadian rhythms. The neuronal and hormonal activities it generates regulate many different body functions in a 24-hour cycle, using around 20,000 neurons.Ref: Ganong&;s review of medical physiology; 24th edition; page no:-278
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Physiology
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