ABA Sleep Medicine Practice Questions - ABA Sleep Medicine Subspecialty Certification Exam

The suprachiasmatic nucleus (SCN) synchronizes the endogenous circadian rhythm primarily through which input?

Auditory input from the cochlear nerve Photic input via the retinohypothalamic tract Olfactory input from the olfactory bulb Thermal input from peripheral receptors

Correct Answer:

Photic input via the retinohypothalamic tract

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