When someone discovers that his or her belief is wrong, ____ will lead to the correct belief, according to Hume

In a conditioned emotional response (CER) study, a tone is paired with a foot shock for a rat. After several trials, the tone alone is a CS that can elicit fear emotional responses. Which of the following is true of the physiology of this fear response?

A) Damage to the lateral nucleus of the prefrontal cortex impairs CER learning. B) Tone-shock pairings rapidly decrease the electrical activity of the lateral nucleus of the amygdala. C) Damage to the central nucleus of the amygdala impairs CER learning. D) Activation of the lateral nucleus of the amygdala during CER training blocks the formation of the CER. E) CER learning is an example of perceptual learning.

In John B. Watson's analysis of phobia learning, the unconditioned stimulus was _____________________

Fill in the blank(s) with correct word