Feigned ADHD Associated Cognitive Impairment: Utility of Integrating an Eye-tracker and the MOXO-dCPT

Astar Lev, Tomer Elbaum, Corinne Berger, Yoram Braw

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Objective: The current study assessed the utility of eye-movements measures, gathered while participants performed a commercially available Continuous Performance Test (CPT), to detect feigned ADHD-associated cognitive impairment. Method: Healthy simulators (n = 37), ADHD patients (n = 33), and healthy controls (n = 36) performed an eye-tracker integrated MOXO-dCPT and a stand-alone validity indicator. Results: Simulators gazed significantly longer at regions that were irrelevant for successful MOXO-dCPT performance compared to ADHD patients and healthy controls. This eye-movement measure, however, had lower sensitivity than traditional MOXO-dCPT indices. Discussion: Gaze direction measures, gathered while performing a CPT, show initial promise as validity indicators. Traditional CPT measures, however, are more sensitive and therefore offer a more promising path for the establishment of CPT-based validity indicators. The current study is an initial exploration of the issue and further evaluation of both theoretical and practical aspects is mandated.

Original languageEnglish
Pages (from-to)1212-1222
Number of pages11
JournalJournal of Attention Disorders
Volume26
Issue number9
DOIs
StatePublished - Jul 2022

Bibliographical note

Publisher Copyright:
© ©The Author(s) 2021.

Keywords

  • ADHD
  • MOXO-dCPT
  • continuous performance test
  • eye tracking
  • feigned cognitive impairment

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