An autonomic arousal device measuring heart rate, respiration, and blood pressure is _________?
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Answer: D. A polygraph
Explanation
A polygraph measures physiological indicators of autonomic nervous system arousal. It records changes in heart rate, respiration, and blood pressure simultaneously. These physiological readings are monitored during questioning to detect stress. The autonomic nervous system regulates involuntary bodily functions like breathing. Sympathetic activation produces measurable autonomic changes during emotional stress. Polygraph instruments use sensitive sensors attached to the subject's body.
Law enforcement agencies historically used polygraphs during criminal investigations. Psychophysiology researchers study autonomic responses to emotional stimuli. Lie detector accuracy remains a subject of scientific and legal debate. An electromyocardiograph measures electrical activity of heart and muscle tissue. A galvanic response meter measures electrical skin conductance associated with sweat. An electroencephalograph records electrical brain wave activity from the scalp.
- Subject
- Psychology
- Category
- Psychology
- Topic
- —
- Difficulty
- medium
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