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  • 标题:Eye-tracking exploration of inhibitory control in post-traumatic stress disorder: an emotional antisaccade paradigm
  • 本地全文:下载
  • 作者:Wivine Blekic ; Erika Wauthia ; Monika Kornacka
  • 期刊名称:European Journal of Psychotraumatology
  • 印刷版ISSN:2000-8198
  • 电子版ISSN:2000-8066
  • 出版年度:2021
  • 卷号:12
  • 期号:1
  • 页码:1909281-1909291
  • DOI:10.1080/20008198.2021.1909281
  • 出版社:Taylor & Francis Group
  • 摘要:Background : Cognitive–behavioural studies among individuals suffering from post-traumatic stress disorder (PTSD) have highlighted attentional biases towards threats as a key factor in the maintenance of the disorder. Anxiety-related studies have hypothesized that attentional biases were due to attentional control difficulties in inhibition and flexibility of threatening information. Objective : Because it remains unclear how this theory could be applied to PTSD, this study aims to evaluate the inhibitory control and flexibility abilities of negative and threatening information in this population, using eye-tracking technology. Method : Fifteen adults with a history of physical assault and a current diagnosis of PTSD, and 15 healthy control participants, completed an original mixed antisaccade task. Results : We found enhanced overt attentional allocation towards every item of emotional information among PTSD participants, such as indexed by the latencies of the first saccade in prosaccade trials, followed by disengagement difficulties, such as indexed by increased reaction time to identify the target. Conclusion : Our results could represent empirical evidence of the general enhancement of attentional vigilance in people with PTSD in comparison with healthy controls, as well as specific inhibitory deficits. The results are interpreted through a fear-generalization hypothesis.
  • 关键词:Eye-tracking ; antisaccade task ; executive processes ; hypervigilance ; PTSD ; Inhibition ; Flexibility
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