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Related Experiment Video

Updated: Jul 11, 2026

Tactile Semiautomatic Passive-Finger Angle Stimulator (TSPAS)
04:40

Tactile Semiautomatic Passive-Finger Angle Stimulator (TSPAS)

Published on: July 30, 2020

The P300 is sensitive to concealed face recognition.

Ewout H Meijer1, Fren T Y Smulders, Harald L G J Merckelbach

  • 1Maastricht University, Maastricht, The Netherlands. eh.meijer@psychology.unimaas.nl

International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology
|September 11, 2007
PubMed
Summary

A P300-based Concealed Information Test (CIT) successfully detects concealed face recognition for highly familiar individuals. Detection fails for less familiar faces without specific concealment instructions, indicating recognition alone is insufficient.

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Related Experiment Videos

Last Updated: Jul 11, 2026

Tactile Semiautomatic Passive-Finger Angle Stimulator (TSPAS)
04:40

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Published on: July 30, 2020

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09:43

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Published on: August 13, 2019

Area of Science:

  • Cognitive Neuroscience
  • Psychology
  • Forensic Science

Background:

  • The Concealed Information Test (CIT) is a method to detect deception.
  • Previous research has primarily focused on verbal or object-based information.

Purpose of the Study:

  • To investigate the efficacy of a P300-based CIT for detecting concealed face recognition.
  • To determine the influence of familiarity and concealment instructions on detection accuracy.

Main Methods:

  • Two experiments were conducted using a P300-based CIT paradigm.
  • Participants were presented with images of faces, with varying levels of familiarity and concealment instructions.

Main Results:

  • High detection rates for concealed face recognition were achieved with highly familiar faces and explicit concealment instructions.
  • Detection was unsuccessful for less familiar faces when no specific concealment instructions were provided.

Conclusions:

  • Facial stimuli are viable for P300-based CIT.
  • Mere recognition of a face is insufficient for successful concealed information detection; familiarity and deliberate concealment are critical factors.