Covert respiration measures for the detection of concealed information

Eitan Elaad, Gershon Ben-Shakhar

Research output: Contribution to journalArticlepeer-review


A mock-theft experiment was designed to assess the efficiency of two covert respiration measures in detection of concealed information. The covert measures were further compared with three standard measures typically used for the detection of concealed knowledge (electrodermal, respiration and finger pulse measures). Results revealed that the covert respiration measures produced good discrimination between "guilty" (participants possessing concealed knowledge) and "innocent" participants. One of the covert measures produced detection efficiency that was similar to that of the standard respiration and finger pulse measures, but less than the electrodermal measure.

Original languageEnglish
Pages (from-to)284-291
Number of pages8
JournalBiological Psychology
Issue number3
StatePublished - Mar 2008
Externally publishedYes


  • Concealed information test
  • Detection of deception
  • Polygraph
  • Unobtrusive measurement


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