The polygraph "lie detector" is based on the assumption that a person who is guilty and fearful will have
A) increased activity of the parasympathetic nervous system.
B) increased activity of the Cannon-Bard pathway.
C) increased activity of the autonomic nervous system.
D) increased activity in the hippocampus.
Answer: C
Rationale: The polygraph, casually referred to as the "lie detector," measures respiration, blood pressure, and palm sweat—autonomic nervous system responses that should increase when someone lies.
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