If the connections between the amygdala and midbrain regions are severed, a CS paired with shock will no longer elicit _____ in a rat:

Question

Quizplus · Accepted Answer

The amygdala is responsible for the association of emotional information with neutral stimuli, allowing for conditioned responses. The midbrain regions are responsible for the autonomic responses associated with fear, such as increased heart rate and release of stress hormones. Therefore, if the connections between the amygdala and midbrain regions are severed, the autonomic responses to the CS will not occur. However, freezing is a behavioral response that is primarily controlled by the amygdala and can still occur without the involvement of the midbrain regions.

If the Connections Between the Amygdala and Midbrain Regions Are