In the Motor Map of the Primary Motor Cortex

question 3

Multiple Choice

In the motor map of the primary motor cortex:

• A)Each muscle is represented by a single cortical column.
• B)Each muscle is represented by multiple columns within a single continuous region.
• C)The number of cortical columns representing a muscle is proportional to the mass of the muscle.
• D)The amount of territory representing a muscle is correlated with the degree of fine control over movements made using that muscle.
• E)Columns controlling different muscles are randomly intermixed.

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