Certain drugs suppress the activity of the sympathetic nervous system, the branch of the autonomic nervous system associated with increases in heart rate, respiration, and adrenaline release. If a drug could block this system altogether, Walter Cannon would predict that:

Question

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Walter Cannon's theory of emotion proposed that physiological changes in the body are an integral part of emotional experiences. If a drug blocks the sympathetic nervous system, which is responsible for these physiological changes, the experienced emotion might be missing or feel less intense. However, this does not mean that emotions themselves cannot be experienced. Therefore, choice D is the best answer. Choices A, B, and C are not supported by Cannon's theory of emotion.

Certain Drugs Suppress the Activity of the Sympathetic Nervous System