Which of the following statements is consistent with Descartes's explanation of the mind-body question?
a. The brain contains air-filled chambers.
b. Nerves are filled with air and are under minimal pressure.
c. Muscle activation requires no input from the brain.
d. Electrical stimulation of a nerve evokes contraction of a detached muscle.
e. The pineal body controls the body muscles.
Answer: e. The pineal body controls the body muscles.
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A study reveals that Mark's brain at age 70 is experiencing both changes in neurons and also some pruning of neurons. These are both examples of the brain's
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All of the following tend to occur after children show objective self-recognition except
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