The Disproportionate Cortical Representation in the Primary Motor Cortex of the Fingers

question 7

Multiple Choice

The disproportionate cortical representation in the primary motor cortex of the fingers and mouth is due to the fact that

• A) the hands and mouth take more innervation to move.
• B) are less sensitive than other areas of the body.
• C) are more sensitive than other areas of the body.
• D) require greater precision of movement.
• E) require less precision of movement.

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