Deception awareness improves P300-based deception detection in concealed information tests

Joel P Rosenfeld*, Xiaoqing Hu, Kristine Pederson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

33 Scopus citations


We asked if increased awareness of deception enhanced P300-based detection of concealed information with two groups: 1) Control subjects saw a randomized series of either rare probes (subject home towns), frequent irrelevants (other towns), and rare targets, which are irrelevant stimuli but requiring Button 1 responses. Probes and non-target irrelevants required Button 2 responses. Controls were told to be sure they performed target/non-target discrimination correctly, and were so reminded throughout the run. 2) Deception subjects received an identical stimulus series and response instructions, but were also alerted about their deception (pressing a non-recognition button to probes) before and throughout the run. The deception group had significantly greater differences between probe and irrelevant P300s than controls, as well as significantly greater individual detections (10/10) than did controls (5/10), suggesting that the deception awareness manipulation enhances test sensitivity.

Original languageEnglish (US)
Pages (from-to)114-121
Number of pages8
JournalInternational Journal of Psychophysiology
Issue number1
StatePublished - Oct 1 2012


  • Concealed information tests
  • Credibility assessment
  • Deception awareness
  • Event-related potentials
  • Guilty knowledge tests
  • Lie detection
  • P300
  • Psychophysiological detection of deception

ASJC Scopus subject areas

  • General Neuroscience
  • Neuropsychology and Physiological Psychology
  • Physiology (medical)


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