Once extinction has occurred, previously-learned Pavlovian associations can:
A) never be recovered
B) only be recovered if the CS and US are presented in close temporal order
C) be recovered by reexposure to the US alone, in the absence of the CS
D) only be recovered if the CS is presented without additional exposure to the US

Question

Quizplus · Accepted Answer

Extinction does not erase the underlying association between the CS and US, but rather suppresses it. Reexposure to the US alone can lead to recovery of the previously-learned association, a phenomenon known as spontaneous recovery.

Once Extinction Has Occurred, Previously-Learned Pavlovian Associations Can