PSYC 3020 Chapter Notes - Chapter 4: National Academies Of Sciences, Engineering, And Medicine, Polygraph, Autonomic Nervous System

• School: University of Guelph
• Department: Psychology
• Course: PSYC 3020
• Professor: Dan Yarmey

Document Summary

Polygraphy relies on deception being associated with physiological change. Originated in 1917 to be used in the frye vs. Polygraph: a de(cid:448)i(cid:272)e for re(cid:272)ordi(cid:374)g a(cid:374) i(cid:374)di(cid:448)idual"s auto(cid:374)o(cid:373)i(cid:272) (cid:374)er(cid:448)ous s(cid:455)ste(cid:373) respo(cid:374)ses. Measurement devices attached to the upper chest and abdomen to measure breathing, the amount of sweat on the skin is measured by attaching electrodes to the fingertips. Polygraph disclosure tests: polygraph tests that are used to uncover information about an offe(cid:374)der"s past (cid:271)eha(cid:448)iour. Polygraphs do not detect lies because the physiological states associated with lying are similar to anxiety, anger, embarrassment, and fear they rely on measuring physiological responses to different types of questions. Types of polygraph tests comparison question test: includes irrelevant questions that are unrelated to the crime, relevant questions concerning the crime being investigated, and comparison questions (cid:272)o(cid:374)(cid:272)er(cid:374)i(cid:374)g the perso(cid:374)"s ho(cid:374)est(cid:455) a(cid:374)d past histor(cid:455) prior to the e(cid:448)e(cid:374)t (cid:271)ei(cid:374)g i(cid:374)(cid:448)estigated.