The impact of ambiguous stimuli on work memory capacity and reaction time in patients with post-traumatic stress disorder

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MIRABOLFATHI VIDA; MORADI ALIREZA; Choobin Mohammad Hasan; Derakhshan Nazanin

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Journal: ADVANCES IN COGNITIVE SCIENCE Year:2020 | Volume:22 | Issue:1 Page(s): 49-60

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Title

The impact of ambiguous stimuli on work memory capacity and reaction time in patients with post-traumatic stress disorder

Author(s)

MIRABOLFATHI VIDA | MORADI ALIREZA | Choobin Mohammad Hasan | Derakhshan Nazanin | Issue Writer Certificate

Keywords

Post-traumatic stress disorderQ2

Working memory capacityQ1

Speed processingQ1

Abstract

Introduction: People with Post-traumatic stress disorder suffer from different cognitive and emotional problems. Meta-analyses studies investigating PTSD cognitive functions have been revealed that working memory and Speed processing are two vital components that can explain PTSD's cognitive dysfunctions. This study aims to investigate emotional Working memory capacity and speed of processing via an emotional Working memory capacity task. Methods: A total number of 50 participants (20 PTSD, 15 Non-PTSD, 15 healthy control) from road traffic accident recruited via social media advertisements. All participants screened based on SCID and then invited for the working memory and Speed processing assessment session. In this study, The Impact of Event Scale-Revised, Hopkins Symptom Checklist, and emotional Working memory capacity task has been used. Results: Mixed ANOVA repeated measure has revealed that Speed processing in the PTSD group is significantly lower than the Non-PTSD group. Also person correlation has revealed that in the PTSD group reaction time in the adequate correct response trials with trauma-related distractors has a negative correlation with avoidance and hyperarousal symptoms and also there is a significant negative correlation between reaction time in the correct responses in trials with white noise distractor and intrusion-related symptoms in PTSD group. Conclusion: It seems that exposure with vague distractors (white noise) can result from more intrusion and less cognitive efficacy, requiring more investigation in future studies.

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APA: Copy

MIRABOLFATHI, VIDA, MORADI, ALIREZA, Choobin, Mohammad Hasan, & Derakhshan, Nazanin. (2020). The impact of ambiguous stimuli on work memory capacity and reaction time in patients with post-traumatic stress disorder. ADVANCES IN COGNITIVE SCIENCE, 22(1 ), 49-60. SID. https://sid.ir/paper/380608/en

Vancouver: Copy

MIRABOLFATHI VIDA, MORADI ALIREZA, Choobin Mohammad Hasan, Derakhshan Nazanin. The impact of ambiguous stimuli on work memory capacity and reaction time in patients with post-traumatic stress disorder. ADVANCES IN COGNITIVE SCIENCE[Internet]. 2020;22(1 ):49-60. Available from: https://sid.ir/paper/380608/en

IEEE: Copy

VIDA MIRABOLFATHI, ALIREZA MORADI, Mohammad Hasan Choobin, and Nazanin Derakhshan, “The impact of ambiguous stimuli on work memory capacity and reaction time in patients with post-traumatic stress disorder,” ADVANCES IN COGNITIVE SCIENCE, vol. 22, no. 1 , pp. 49–60, 2020, [Online]. Available: https://sid.ir/paper/380608/en

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