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Effect of a countermeasure which reduce physiological responeses in the detection of deception

Research Project

Project/Area Number 12610099
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 実験系心理学
Research InstitutionHiroshima Shudo University

Principal Investigator

MATSUDA Takashi  Hiroshima Shudo University, Facutly of Humanities and Human Sciences, Professor, 人文学部, 教授 (50173844)

Project Period (FY) 2000 – 2001
Project Status Completed (Fiscal Year 2001)
Budget Amount *help
¥1,400,000 (Direct Cost: ¥1,400,000)
Fiscal Year 2001: ¥600,000 (Direct Cost: ¥600,000)
Fiscal Year 2000: ¥800,000 (Direct Cost: ¥800,000)
KeywordsDetection of deception / Event related potentials / P300 / Countermeasure / 末梢神経系 / 中枢神経系 / 事象関連
Research Abstract

The dependent measures in a polygraph test are autonomic activities such as respectively, electrodermal, and cardiovascular responses. Recently, however, event-related potentials (ERPs) are expected as the index for detection of deception.
Countermeasures are deliberate techniques that might be used by the suspects to alter their physiological reaction. A number of experiments have indicated that it is possible, indeed quite easy, to train guilty examinees and prepare them for a polygraph examination in such a way that they will be found truthful with a high probability. A possible approach for dealing with countermeasure manipulation is use of guilty knowledge test (GKT) that are based on ERPs instead of autonomic measures.
In this research, we examined effects of a mental countermeasure on the GKT based on P300 (one of the ERPs). This research demonstrated that...
1.A mental countermeasure inhibited the P3 amplitude. But there was a significant difference between amplitudes to relevant stimulus and to irrelevant stimulus because countermeasure inhibited the P3 amplitude not only to the relevant stimuli but also irrelevant stimulus.
2.When subjects name were presented as relevant stimulus, the accuracy of GKT based on ERP in countermeasure condition was 81% and in non-countermeasure condition was 94%. There was no significant difference between accuracy of those GKTs.
3.When jewels which subjects were stole in mock crime were presented as relevant stimulus, the accuracy rate of GKT based on ERP in countermeasure condition was 50% and in non-countermeasure condition was 79%. There was no significant difference between accuracy of those GKTs.
It is concluded that GKT based on ERP is protected against a mental countermeasure.

Report

(3 results)
  • 2001 Annual Research Report   Final Research Report Summary
  • 2000 Annual Research Report

Research Products

(6 results)

All Other

All Publications

  • [Publications] 佐々木 実: "事象関連電位を用いた虚偽検出における心理的カウンタメジャーの効果"心理学研究. 72・4. 322-328 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] 佐々木 実: "虚偽検出研究における最近の特徴"修大論集. 42・1. 181-193 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Minori, Sasaki.: "Effects of mental countermeasure on the physiological detection of deception using the event-related brain potentials"Japanese Journal of Psychology. 74(4). 322-328 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Minori, Sasaki.: "The aspects of physiological detection of deception for the last decades"Shudai Ronsyuu. 42(1). 181-193 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] 佐々木 実: "事象関連電位を用いた虚偽検出における心理的カウンタメジャーの効果"心理学研究. 72・4. 322-328 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] 佐々木 実: "虚偽検出研究における最近の特徴"修大論集. 42・1. 181-193 (2001)

    • Related Report
      2001 Annual Research Report

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Published: 2000-03-31   Modified: 2016-04-21  

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