NDLI: The Effects of Sweep Numbers Per Average and Protocol Type on the Accuracy of the P300-Based Concealed Information Test

Content Provider	Springer Nature Link
Author	Dietrich, Ariana B. Hu, Xiaoqing Rosenfeld, J. Peter
Copyright Year	2014
Abstract	In the first of two experiments, we compared the accuracy of the P300 concealed information test protocol as a function of numbers of trials experienced by subjects and ERP averages analyzed by investigators. Contrary to Farwell et al. (Cogn Neurodyn 6(2):115–154, 2012), we found no evidence that 100 trial based averages are more accurate than 66 or 33 trial based averages (all numbers led to accuracies of 84–94 %). There was actually a trend favoring the lowest trial numbers. The second study compared numbers of irrelevant stimuli recalled and recognized in the 3-stimulus protocol versus the complex trial protocol (Rosenfeld in Memory detection: theory and application of the concealed information test, Cambridge University Press, New York, pp 63–89, 2011). Again, in contrast to expectations from Farwell et al. (Cogn Neurodyn 6(2):115–154, 2012), there were no differences between protocols, although there were more irrelevant stimuli recognized than recalled, and irrelevant 4-digit number group stimuli were neither recalled nor recognized as well as irrelevant city name stimuli. We therefore conclude that stimulus processing in the P300-based complex trial protocol—with no more than 33 sweep averages—is adequate to allow accurate detection of concealed information.
Starting Page	67
Ending Page	73
Page Count	7
File Format	PDF
ISSN	10900586
Journal	Applied Psychophysiology and Biofeedback
Volume Number	39
Issue Number	1
e-ISSN	15733270
Language	English
Publisher	Springer US
Publisher Date	2014-02-15
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Concealed information test P300 Event-related potential Deception Psychology Health Psychology Public Health Psychotherapy and Counseling
Content Type	Text
Resource Type	Article
Subject	Neuropsychology and Physiological Psychology Applied Psychology

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