Electrodermal and phasic heart rate responses in the Guilty Actions Test: comparing guilty examinees to informed and uninformed innocents

International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology
Matthias GamerG Vossel

Abstract

The present mock-crime study concentrated on the validity of the Guilty Actions Test (GAT) and the role of the orienting response (OR) for differential autonomic responding. N=105 female subjects were assigned to one of three groups: a guilty group, members of which committed a mock-theft; an innocent-aware group, members of which witnessed the theft; and an innocent-unaware group. A GAT consisting of ten question sets was administered while measuring electrodermal and heart rate (HR) responses. For informed participants (guilty and innocent-aware), relevant items were accompanied by larger skin conductance responses and heart rate decelerations whereas irrelevant items elicited HR accelerations. Uninformed participants showed a non-systematic response pattern. The differential electrodermal responses of informed participants declined across the test. With respect to the HR data, however, no habituation was observed. Findings suggest that GAT results could not exclusively be interpreted by referring to the OR.

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Citations

Jun 23, 2009·Applied Psychophysiology and Biofeedback·Eitan Elaad, Gershon Ben-Shakhar
Aug 17, 2014·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Michael R Winograd, J Peter Rosenfeld
Nov 3, 2011·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Andrew BowersJoseph Kalinowski
Aug 2, 2011·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Wolfgang AmbachDieter Vaitl
Aug 5, 2008·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Wolfgang AmbachDieter Vaitl
Jul 22, 2008·Physiology & Behavior·Matthias GamerGerhard Vossel
Oct 27, 2015·Frontiers in Psychology·Alexander SillerDieter Vaitl
Jan 18, 2015·Behavioral and Brain Functions : BBF·Weixiong JiangWei Wang
Feb 2, 2010·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Matthias Gamer
Jun 17, 2014·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·John J Palmatier, Louis Rovner
Aug 26, 2014·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Gershon Ben-ShakharBruno Verschuere
Dec 6, 2014·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·John J Palmatier, Louis Rovner
Jun 25, 2016·Psychophysiology·Judith PethMatthias Gamer
Apr 18, 2018·Journal of Forensic Sciences·Takuro OtsukaJun'ichi Katayama
Aug 3, 2017·Journal of Forensic Sciences·Hyeon-Gi HongMyoung-Ho Hyun
Sep 7, 2018·Psychophysiology·Kristina Suchotzki, Matthias Gamer
Mar 25, 2017·Psychophysiology·Nathalie klein SelleGershon Ben-Shakhar
Mar 28, 2019·Frontiers in Psychiatry·Kiho KimJang-Han Lee
Feb 26, 2019·Frontiers in Psychiatry·Izumi MatsudaMichiko Tsuneoka

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