Latent inhibition
Group 1 hears a tone 50 times with nothing following. Group 2 has no tone exposure. Both groups then receive tone–shock pairings, and Group 1 develops fear of the tone more slowly. This is:
Answer A: explanation for every choice
A
Correct. Prior exposure to a stimulus without consequence slows later conditioning to it.
B
Blocking requires a second stimulus that already predicts the outcome.
C
Spontaneous recovery is the reappearance of an extinguished response.
D
Generalization is responding to stimuli similar to a conditioned stimulus.
TakeawayA familiar, meaningless stimulus is harder to condition.
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Reviewed 2026-11-05 by a medical student. Spot an error? Report it with question ID ps149.