Fixations and eye-blinks allow for detecting concealed crime related memories

Judith Peth; Sung-Cheul Johann Kim; Matthias Gamer

doi:10.1016/j.ijpsycho.2013.03.003

Fixations and eye-blinks allow for detecting concealed crime related memories

Standard

Fixations and eye-blinks allow for detecting concealed crime related memories. / Peth, Judith; Kim, Sung-Cheul Johann; Gamer, Matthias.

In: INT J PSYCHOPHYSIOL, Vol. 88, No. 1, 01.04.2013, p. 96-103.

Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

Harvard

Peth, J, Kim, S-CJ & Gamer, M 2013, 'Fixations and eye-blinks allow for detecting concealed crime related memories', INT J PSYCHOPHYSIOL, vol. 88, no. 1, pp. 96-103. https://doi.org/10.1016/j.ijpsycho.2013.03.003

APA

Peth, J., Kim, S-C. J., & Gamer, M. (2013). Fixations and eye-blinks allow for detecting concealed crime related memories. INT J PSYCHOPHYSIOL, 88(1), 96-103. https://doi.org/10.1016/j.ijpsycho.2013.03.003

Vancouver

Peth J, Kim S-CJ, Gamer M. Fixations and eye-blinks allow for detecting concealed crime related memories. INT J PSYCHOPHYSIOL. 2013 Apr 1;88(1):96-103. https://doi.org/10.1016/j.ijpsycho.2013.03.003

Bibtex

@article{b63787b9801148a0b08789f28c7357ed,

title = "Fixations and eye-blinks allow for detecting concealed crime related memories",

abstract = "The Concealed Information Test (CIT) is a method of forensic psychophysiology that allows for revealing concealed crime related knowledge. Such detection is usually based on autonomic responses but there is a huge interest in other measures that can be acquired unobtrusively. Eye movements and blinks might be such measures but their validity is unclear. Using a mock crime procedure with a manipulation of the arousal during the crime as well as the delay between crime and CIT, we tested whether eye tracking measures allow for detecting concealed knowledge. Guilty participants showed fewer but longer fixations on central crime details and this effect was even present after stimulus offset and accompanied by a reduced blink rate. These ocular measures were partly sensitive for induction of emotional arousal and time of testing. Validity estimates were moderate but indicate that a significant differentiation between guilty and innocent subjects is possible. Future research should further investigate validity differences between gaze measures during a CIT and explore the underlying mechanisms.",

keywords = "Adult, Analysis of Variance, Blinking, Crime, Eye Movements, Female, Humans, Lie Detection, Male, Memory, Psychophysics, ROC Curve, Statistics as Topic, Young Adult",

author = "Judith Peth and Kim, {Sung-Cheul Johann} and Matthias Gamer",

year = "2013",

month = apr,

day = "1",

doi = "10.1016/j.ijpsycho.2013.03.003",

language = "English",

volume = "88",

pages = "96--103",

journal = "INT J PSYCHOPHYSIOL",

issn = "0167-8760",

publisher = "Elsevier",

number = "1",

}

RIS

TY - JOUR

T1 - Fixations and eye-blinks allow for detecting concealed crime related memories

AU - Peth, Judith

AU - Kim, Sung-Cheul Johann

AU - Gamer, Matthias

PY - 2013/4/1

Y1 - 2013/4/1

N2 - The Concealed Information Test (CIT) is a method of forensic psychophysiology that allows for revealing concealed crime related knowledge. Such detection is usually based on autonomic responses but there is a huge interest in other measures that can be acquired unobtrusively. Eye movements and blinks might be such measures but their validity is unclear. Using a mock crime procedure with a manipulation of the arousal during the crime as well as the delay between crime and CIT, we tested whether eye tracking measures allow for detecting concealed knowledge. Guilty participants showed fewer but longer fixations on central crime details and this effect was even present after stimulus offset and accompanied by a reduced blink rate. These ocular measures were partly sensitive for induction of emotional arousal and time of testing. Validity estimates were moderate but indicate that a significant differentiation between guilty and innocent subjects is possible. Future research should further investigate validity differences between gaze measures during a CIT and explore the underlying mechanisms.

AB - The Concealed Information Test (CIT) is a method of forensic psychophysiology that allows for revealing concealed crime related knowledge. Such detection is usually based on autonomic responses but there is a huge interest in other measures that can be acquired unobtrusively. Eye movements and blinks might be such measures but their validity is unclear. Using a mock crime procedure with a manipulation of the arousal during the crime as well as the delay between crime and CIT, we tested whether eye tracking measures allow for detecting concealed knowledge. Guilty participants showed fewer but longer fixations on central crime details and this effect was even present after stimulus offset and accompanied by a reduced blink rate. These ocular measures were partly sensitive for induction of emotional arousal and time of testing. Validity estimates were moderate but indicate that a significant differentiation between guilty and innocent subjects is possible. Future research should further investigate validity differences between gaze measures during a CIT and explore the underlying mechanisms.

KW - Adult

KW - Analysis of Variance

KW - Blinking

KW - Crime

KW - Eye Movements

KW - Female

KW - Humans

KW - Lie Detection

KW - Male

KW - Memory

KW - Psychophysics

KW - ROC Curve

KW - Statistics as Topic

KW - Young Adult

U2 - 10.1016/j.ijpsycho.2013.03.003

DO - 10.1016/j.ijpsycho.2013.03.003

M3 - SCORING: Journal article

C2 - 23511446

VL - 88

SP - 96

EP - 103

JO - INT J PSYCHOPHYSIOL

JF - INT J PSYCHOPHYSIOL

SN - 0167-8760

IS - 1

ER -