The pineal gland receives neural signals related to light exposure primarily from the:
Show answer and explanation
Correct answer: Hypothalamus
The pineal gland is regulated via hypothalamic pathways originating from the suprachiasmatic nucleus. These pathways convey information about light exposure.
Keep practicing
More Body rhythms and circadian questions
- Which physiological rhythm has a period shorter than 24 hours?
- The sleep–wake cycle is best classified as a:
- Which factor is most effective in resetting the circadian clock?
- A free-running circadian rhythm is most likely to occur in:
- Which neurotransmitter is involved in transmitting light signals from the retina to the circadian clock?
- Which circadian change contributes to increased alertness during daytime?