If a person is lying, the polygraph can pick up the following changes in his or her physiological functions, EXCEPT:

Name: If a person is lying, the polygraph can pick up the following changes in his or her physiological functions, EXCEPT:
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Quizplus · Accepted Answer

Polygraphs, also known as lie detectors, measure and record several physiological indices such as breathing, perspiration, and heart rate. They do not directly measure brain activity; technologies like fMRI or EEG are used for that purpose.

If a Person Is Lying, the Polygraph Can Pick Up