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Conditioned Stimulus

A neutral stimulus (defined as any event which does not naturally provoke a response from the test subject) which, under classical conditioning, a subject learns to associate with an unconditioned stimulus.

Example: In Pavlov’s classic dog experiments, the animals learned to associate the sound of a bell (the conditioned stimulus) with the presentation of food (the unconditioned stimulus).

Conditioned Stimulus
APA Reference
Grinnell, R. (2018). Conditioned Stimulus. Psych Central. Retrieved on July 8, 2020, from