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Suprachiasmatic Nucleus (SCN) in AP Psychology

Written by the Fiveable Content Team
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team

Definition

The suprachiasmatic nucleus (SCN) is a tiny region in the brain located in the hypothalamus, directly above the optic chiasm. It controls circadian rhythms.

AP course connection

Topic 2.9: 2.9 Sleep and Dreaming

Unit 2

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