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  Content specificity of attentional bias to threat in post-traumatic stress disorder

Zinchenko, A., Al-Amin, M. M., Alam, M. M., Mahmud, W., Kabir, N., Reza, H. M., et al. (2017). Content specificity of attentional bias to threat in post-traumatic stress disorder. Journal of Anxiety Disorders, 50, 33-39. doi:10.1016/j.janxdis.2017.05.006.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-E68B-5 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-BA69-6
Genre: Journal Article

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 Creators:
Zinchenko, Artyom1, 2, Author              
Al-Amin, M. M.3, 4, Author
Alam, M. M.3, Author
Mahmud, W.3, Author
Kabir, N.3, Author
Reza, H. M.3, Author
Burne, T. H. J.4, 5, Author
Affiliations:
1Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              
2Department of Experimental Psychology, Ludwig Maximilians University Munich, Germany, ou_persistent22              
3Department of Pharmaceutical Sciences, North South University, Dhaka, Bangladesh, ou_persistent22              
4Queensland Brain Institute, University of Queensland, Brisbane, Australia, ou_persistent22              
5Queensland Centre for Mental Health Research (QCMHR), Brisbane, Australia, ou_persistent22              

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Free keywords: Attentional bias; Emotion; Reaction time; Trauma
 Abstract: Background Attentional bias to affective information and reduced cognitive control may maintain the symptoms of post-traumatic stress disorder (PTSD) and impair cognitive functioning. However, the role of content specificity of affective stimuli (e.g., trauma-related, emotional trauma-unrelated) in the observed attentional bias and cognitive control is less clear, as this has not been tested simultaneously before. Therefore, we examined the content specificity of attentional bias to threat in PTSD. Methods PTSD participants (survivors of a multistory factory collapse, n = 30) and matched controls (n = 30) performed an Eriksen Flanker task. They identified the direction of a centrally presented target arrow, which was flanked by several task-irrelevant distractor arrows pointed to the same (congruent) or opposite direction (incongruent). Additionally, participants were presented with a picture of a face (neutral, emotional) or building (neutral = normal, emotional = collapsed multistory factory) as a task-irrelevant background image. Results We found that PTSD participants produced overall larger conflict effects and longer reaction times (RT) to emotional than to neutral stimuli relative to their healthy counterparts. Moreover, PTSD, but not healthy participants showed a stimulus specific dissociation in processing emotional stimuli. Emotional faces elicited longer RTs compared to neutral faces, while emotional buildings elicited faster responses, compared to neutral buildings. Conclusions PTSD patients show a content-sensitive attentional bias to emotional information and impaired cognitive control.

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Language(s): eng - English
 Dates: 2017-03-122016-10-042017-05-172017-05-182017-08
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1016/j.janxdis.2017.05.006
PMID: 28551393
Other: Epub 2017
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Funding organization : National Skills Development Council (NSDC)
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Funding organization : Ministry of Labor and Employment, Government of Bangladesh

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Title: Journal of Anxiety Disorders
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 50 Sequence Number: - Start / End Page: 33 - 39 Identifier: ISSN: 0887-6185
CoNE: /journals/resource/0887-6185