If a Person Suffered Injury to the Right Motor Cortex

question 47

Multiple Choice

If a person suffered injury to the right motor cortex that resulted in paralysis of the left arm and later showed some evidence of recovery of function, which of the following would be a likely explanation?

• A) Using the right arm more strengthened the left arm.
• B) The left motor cortex strengthened its control over the left arm.
• C) New neurons grew in place of the damaged ones.
• D) The left arm was deafferented.

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Definitions:

Respiration

The biochemical process in living organisms involving the intake of oxygen and the release of carbon dioxide, essential for energy production.

Heartbeat

The rhythmic contraction of the heart, pumping blood through the circulatory system to provide oxygen and nutrients to the body.

Cerebrum

the largest part of the brain, responsible for voluntary activities, intelligence, learning, and perceptions of the senses.

Occipital

Pertaining to the occipital lobe, a region at the back of the brain responsible for processing visual information.