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The most common extrusive rocks are generated from
Facial Feedback Effect
The tendency of facial muscle states to trigger corresponding feelings such as fear, anger, or happiness.
Polygraph
A device that measures physiological responses, such as heart rate and sweat production, to assess truthfulness.
Electrocardiograph
A device used to record the electrical activity of the heart over a period of time.
Electroencephalograph
A machine used to record the electrical activity of the brain through electrodes attached to the scalp.
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