polygraphy

Definition

The professional application or technical practice of using a polygraph, a device that records physiological indicators like blood pressure and heart rate to determine if a person is telling the truth.

Etymology

Derived from the Greek words 'polys' meaning 'many' and 'grapho' meaning 'to write,' referring to the device's ability to record multiple physiological responses simultaneously on a chart.

In the news

Melinda Croswell is noted for her expertise in polygraphy, which highlights the specialized law enforcement skills she brings to the Idaho Commission of Pardons and Parole.

Gov. Little announces changes in his administration

Governor Brad Little

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