reflex arc

a neural circuit that is involved in a reflex. In its simplest form, it consists of an afferent, or sensory, neuron that conducts nerve impulses from a receptor to the spinal cord, where it connects directly or via an interneuron to an efferent motor neuron that carries the impulses to an effector, that is, a muscle or gland. See also disynaptic arc; monosynaptic arc; polysynaptic arc.

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Psychology term of the day

February 23rd 2025

School and College Ability Test (SCAT)

Sorry, "school-and-college-ability-test-scat" is not in the Dictionary of Psychology. Please report to APA if you believe this is an error.