In Aplysia touching the siphon causes the gill to withdraw. If the siphon is touched repeatedly, eventually the gill will not withdraw anymore. This is an example of:
A) habituation.
B) sensitization.
C) mere exposure learning.
D) learned non-use.

Question

Quizplus · Accepted Answer

Habituation is a decrease in response to a stimulus after repeated presentations. In this case, the gill's withdrawal response diminishes with repeated touches to the siphon, which is a classic example of habituation.

In Aplysia Touching the Siphon Causes the Gill to Withdraw