In a Study by Pons and Colleagues, Monkeys' Arm Nerves

question 12

Multiple Choice

In a study by Pons and colleagues, monkeys' arm nerves were cut, thereby depriving the somatosensory cortex of sensory input from the arm. Several years later, when the researchers mapped the monkeys' somatosensory homunculus, they discovered that the arm region of the homunculus:

• A)had expanded.
• B)was the same size it was previously.
• C)had been taken over by the face region.
• D)had been taken over by the foot region.

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Definitions:

Double Approach-Avoidance Conflict

A psychological conflict that involves a decision between two goals, each with both appealing and negative aspects.

Learned Helplessness

A psychological condition wherein individuals believe they have no control over the outcomes of situations, resulting from repeated exposure to uncontrollable events.

Frustration

The feeling of being upset or annoyed as a result of being unable to change or achieve something.

Burnout

A state of emotional, physical, and mental exhaustion caused by excessive and prolonged stress, often related to one's work.