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An Eye Tracking Study on Feigned Schizophrenia

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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An Eye Tracking Study on Feigned Schizophrenia. / Ales, Francesca; Giromini, Luciano; Warmelink, Lara et al.
In: Psychological Injury and Law, Vol. 14, No. 3, 30.09.2021, p. 213-226.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Ales, F, Giromini, L, Warmelink, L, Polden, M, Wilcockson, T, Kelly, C, Winters, C, Zennaro, A & Crawford, T 2021, 'An Eye Tracking Study on Feigned Schizophrenia', Psychological Injury and Law, vol. 14, no. 3, pp. 213-226. https://doi.org/10.1007/s12207-021-09421-1

APA

Ales, F., Giromini, L., Warmelink, L., Polden, M., Wilcockson, T., Kelly, C., Winters, C., Zennaro, A., & Crawford, T. (2021). An Eye Tracking Study on Feigned Schizophrenia. Psychological Injury and Law, 14(3), 213-226. https://doi.org/10.1007/s12207-021-09421-1

Vancouver

Ales F, Giromini L, Warmelink L, Polden M, Wilcockson T, Kelly C et al. An Eye Tracking Study on Feigned Schizophrenia. Psychological Injury and Law. 2021 Sept 30;14(3):213-226. Epub 2021 Aug 12. doi: 10.1007/s12207-021-09421-1

Author

Ales, Francesca ; Giromini, Luciano ; Warmelink, Lara et al. / An Eye Tracking Study on Feigned Schizophrenia. In: Psychological Injury and Law. 2021 ; Vol. 14, No. 3. pp. 213-226.

Bibtex

@article{5a334a8ec12e4ccd9b96cecdf2bca8ed,
title = "An Eye Tracking Study on Feigned Schizophrenia",
abstract = "Research on malingering detection has not yet taken full advantage of eye tracking technology. In particular, while several studies indicate that patients with schizophrenia behave notably differently from controls on specific oculomotor tasks, no study has yet investigated whether experimental participants instructed to feign could reproduce those behaviors, if coached to do so. Due to the automatic nature of eye movements, we anticipated that eye tracking analyses would help detect feigned schizophrenic problems. To test this hypothesis, we recorded the eye movements of 83 adult UK volunteers, and tested whether eye movements of healthy volunteers instructed to feign schizophrenia (n = 43) would differ from those of honest controls (n = 40), while engaging in smooth pursuit and pro- and anti-saccade tasks. Additionally, results from our investigation were also compared against previously published data observed in patients with schizophrenia performing similar oculomotor tasks. Data analysis showed that eye movements of experimental participants instructed to feign (a) only partially differed from those of controls and (b) did not closely resemble those from patients with schizophrenia reported in previously published papers. Taken together, these results suggest that examination of eye movements does have the potential to help detecting feigned schizophrenia.",
keywords = "Anti-saccade, Eye-tracking, Malingering, Schizophrenia, Smooth pursuit",
author = "Francesca Ales and Luciano Giromini and Lara Warmelink and Megan Polden and Thomas Wilcockson and Claire Kelly and Christina Winters and Alessandro Zennaro and Trevor Crawford",
year = "2021",
month = sep,
day = "30",
doi = "10.1007/s12207-021-09421-1",
language = "English",
volume = "14",
pages = "213--226",
journal = "Psychological Injury and Law",
issn = "1938-9728",
publisher = "Springer New York",
number = "3",

}

RIS

TY - JOUR

T1 - An Eye Tracking Study on Feigned Schizophrenia

AU - Ales, Francesca

AU - Giromini, Luciano

AU - Warmelink, Lara

AU - Polden, Megan

AU - Wilcockson, Thomas

AU - Kelly, Claire

AU - Winters, Christina

AU - Zennaro, Alessandro

AU - Crawford, Trevor

PY - 2021/9/30

Y1 - 2021/9/30

N2 - Research on malingering detection has not yet taken full advantage of eye tracking technology. In particular, while several studies indicate that patients with schizophrenia behave notably differently from controls on specific oculomotor tasks, no study has yet investigated whether experimental participants instructed to feign could reproduce those behaviors, if coached to do so. Due to the automatic nature of eye movements, we anticipated that eye tracking analyses would help detect feigned schizophrenic problems. To test this hypothesis, we recorded the eye movements of 83 adult UK volunteers, and tested whether eye movements of healthy volunteers instructed to feign schizophrenia (n = 43) would differ from those of honest controls (n = 40), while engaging in smooth pursuit and pro- and anti-saccade tasks. Additionally, results from our investigation were also compared against previously published data observed in patients with schizophrenia performing similar oculomotor tasks. Data analysis showed that eye movements of experimental participants instructed to feign (a) only partially differed from those of controls and (b) did not closely resemble those from patients with schizophrenia reported in previously published papers. Taken together, these results suggest that examination of eye movements does have the potential to help detecting feigned schizophrenia.

AB - Research on malingering detection has not yet taken full advantage of eye tracking technology. In particular, while several studies indicate that patients with schizophrenia behave notably differently from controls on specific oculomotor tasks, no study has yet investigated whether experimental participants instructed to feign could reproduce those behaviors, if coached to do so. Due to the automatic nature of eye movements, we anticipated that eye tracking analyses would help detect feigned schizophrenic problems. To test this hypothesis, we recorded the eye movements of 83 adult UK volunteers, and tested whether eye movements of healthy volunteers instructed to feign schizophrenia (n = 43) would differ from those of honest controls (n = 40), while engaging in smooth pursuit and pro- and anti-saccade tasks. Additionally, results from our investigation were also compared against previously published data observed in patients with schizophrenia performing similar oculomotor tasks. Data analysis showed that eye movements of experimental participants instructed to feign (a) only partially differed from those of controls and (b) did not closely resemble those from patients with schizophrenia reported in previously published papers. Taken together, these results suggest that examination of eye movements does have the potential to help detecting feigned schizophrenia.

KW - Anti-saccade

KW - Eye-tracking

KW - Malingering

KW - Schizophrenia

KW - Smooth pursuit

U2 - 10.1007/s12207-021-09421-1

DO - 10.1007/s12207-021-09421-1

M3 - Journal article

VL - 14

SP - 213

EP - 226

JO - Psychological Injury and Law

JF - Psychological Injury and Law

SN - 1938-9728

IS - 3

ER -