Psychophysiological Responses of People with Psychopathic Tendencies to the Concealed Information Test

• Autores: Hyeon-Gi Hong, Hee-Song Kim, Hyung-Ki Ji, Ki-Pyoung Kim, Jungeun Lee, Sue Hyun Jung, Myoung-Ho Hyun
• Localización: Journal of forensic sciences, ISSN-e 1556-4029, ISSN 0022-1198, Vol. 63, Nº. 3, 2018, págs. 766-770
• Idioma: inglés
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• Resumen

  • This study was designed to investigate differences in psychophysiological responses among individuals with psychopathic tendencies. A total 40 students were participated and were divided into two groups based on Levenson Self-Report Psychopathy Scale (LSRP) scores: a high psychopathic tendency group selected from the top 5% of LSRP scores, and a low psychopathic tendency group selected from the bottom 5% of LSRP scores. All participants were instructed to perform a mock crime and complete the concealed information test (CIT). Results indicate that significant differences between crime-relevant questions and irrelevant questions were observed for respiration line length and skin conductance response in both groups, but heart rate did not significantly differ between groups. There were no differences in psychophysiological responses between the groups. In conclusion, CIT was found to be an effective method for detecting crime-relevant informa- tion in individuals with psychopathic tendencies.