Began his research career by studying learned in dogs, and later, in humans. he applied his findings to psychological problems in humans, including depression, and he investigated why some people succumb to learned while others persist in the face of obstacles.

Martin Seligman

Explanation:

Martin Seligman was the person who created the theory of learned helplessness.

When an animal is subjected to repeated aversive stimuli which they have no control over they exhibit a type of behavior called learned helplessness. Current research indicates the reason for learned helplessness is that the brain has always perceived that it has no control of any situation but learns about helpfulness.

answer; i believe the correct answer is prefrontal cortex;