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The brain's clock mechanism sits in which area of the hypothalamus?
AAnterior cingulate area
BSuprachiasmatic nucleus
CReticular activating area
DLateral geniculate body
Answer & Solution
Correct answer: B. Suprachiasmatic nucleus
1. The daily clock has a specific anatomical home.
2. The brain's clock mechanism is located in an area of the hypothalamus.
3. That area is known as the suprachiasmatic nucleus, abbreviated SCN.
4. The other structures listed are not described as the clock.
_Source: OpenStax Psychology 2e (CC BY 4.0), Ch 4 'States of Consciousness', sections 4.1-4.6_
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