Lesions of which structure interfere the most with classically conditioned fear responses in rats?
A)the septal area
B)the orbitofrontal cortex
C)the mammillary bodies
D)the amygdala

Question

Lesions of which structure interfere the most with classically conditioned fear responses in rats? 
A)the septal area 
B)the orbitofrontal cortex 
C)the mammillary bodies 
D)the amygdala

Quizplus · Accepted Answer

The amygdala is a key structure in the neural circuitry of fear conditioning, and lesions of this area have been shown to impair fear learning and retention in rats. The other structures listed have also been implicated in fear conditioning to some extent, but lesions of the amygdala have the strongest effect on this type of learning.

Lesions of Which Structure Interfere the Most with Classically Conditioned