In the Motor and Sensory Homunculi, Each Body Part Is

question 103

Multiple Choice

In the motor and sensory homunculi, each body part is shown next to the area of cerebral cortex devoted to it. Which statement best describes what these homunculi represent?

• A)The relative size of the body part distinguishes which part is primarily on the right side of the brain versus the left.
• B)The relative size of the body parts corresponds to the ascending and descending tracts that control that body part.
• C)The homunculi are open to interpretation by neurologists, based upon his or her area of specialty.
• D)The relative size of the body part represents the relative size of the cortical area devoted to that body part.
• E)The homunculi map out the dermatomes of the body.

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Definitions:

Thematic Apperception Test

A projective psychological test designed to reveal a person's social drives or needs by their interpretation of a series of pictures of emotionally ambiguous situations.

Various Interpretations

The existence of multiple explanations or understandings of a single concept, phenomenon, or piece of information.

Stimulus Motives

Internal drives that prompt an organism to seek stimulation or respond to changes in the environment.

Self-Actualization

The realization or fulfillment of one's talents and potentialities, considered as a drive or need present in everyone.