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rdf:type
lifeskim:mentions
pubmed:dateCreated
2009-11-9
pubmed:abstractText
Deception involves complex neural processes and correlates in the brain. Functional brain imaging techniques have been used to study and understand brain mechanisms during deception. In this study, we utilized functional near-infrared spectroscopy (fNIRS) to investigate hemodynamic responses to deception in the prefrontal cortex (PFC) at the individual level. The protocol involved a mock theft scenario that was previously used in a functional MRI (fMRI) study of detecting deception. Subjects (N=11) were instructed to steal a ring or a watch and then conceal the item that they stole. Participants then responded to visually presented questions regarding which item they took. While the subjects were answering the questions, their PFC activity was measured using fNIRS. The brain activity associated with deceptive responses demonstrated significant changes in hemoglobin concentrations with respect to the baseline, while the response of truth telling was not statistically different from baseline. The regions of greater activation induced by deception identified by fNIRS were approximately consistent with those reported by the previous fMRI study using a similar protocol. This study demonstrates that fNIRS is a promising new technique to understand hemodynamic and neural correlates of deception and thus to detect deception with the added advantages of being compact, technically easier to implement, and inexpensive compared to functional MRI.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
1872-6240
pubmed:author
pubmed:issnType
Electronic
pubmed:day
15
pubmed:volume
1303
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
120-30
pubmed:meshHeading
pubmed:year
2009
pubmed:articleTitle
Functional near-infrared spectroscopy to investigate hemodynamic responses to deception in the prefrontal cortex.
pubmed:affiliation
Department of Bioengineering, The University of Texas at Arlington, P.O. Box 19138, Arlington, TX 76019-0138, USA.
pubmed:publicationType
Journal Article