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🧠ap psychology review

Agonist in AP Psychology

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

Definition

An agonist is a substance that initiates a physiological response when combined with a receptor. In terms of neuroscience, it mimics the action of a naturally occurring substance.

This definition is part of Fiveable's AP Psychology review, which also has guided practice questions.

AP course connection

Topic 2.4: Neural Firing

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Unit 2

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