The Polygraph Measures

question 348

Multiple Choice

The polygraph measures

• A) lying.
• B) brain rhythms.
• C) chemical changes in the body.
• D) physiological indexes of arousal.

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Definitions:

Ambiguous Stimuli

Inputs or signals that can be perceived and interpreted in more than one way, often used in psychology to study perception and cognitive processes.

Perceptual Set

A mental predisposition to perceive one thing and not another, influenced by expectations, emotions, and culture.

Sensory Pathways

Sensory Pathways are the neural routes by which sensory information from the peripheral nervous system is transmitted to the central nervous system.

Just Noticeable Difference

The minimal change in a stimulus that can just barely be detected by an organism, also known as the threshold of sensation.