Which of the Following Is True of the Motor Homunculus

question 32

Multiple Choice

Which of the following is true of the motor homunculus?

• A) Damage to a part of the motor homunculus on one side of the brain would impair motor function of the entire body on the same side as the damage.
• B) The homunculus represents the specific body muscle groups that are controlled by specific regions of the cortex.
• C) The homunculus represents the specific body parts that send afferent signals to a specific region of the cortex.
• D) There is only one homunculus in the human brain.
• E) The homunculus depicts sensory function.

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Definitions:

Consumer Surplus

The gap between what consumers are prepared and can afford to pay for a product or service, and what they end up paying in reality.

Producer Surplus

The difference between the amount producers are willing to accept for a good versus what they actually receive.

Marginal Benefit

Marginal benefit is the additional satisfaction or utility received by consuming one more unit of a good or service.

Marginal Cost

The cost attached to the production of one additional unit of a good or service.