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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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Genre: Zeitschriftenartikel

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Zinchenko, Artyom1, 2, Autor           
Al-Amin, M. M.3, 4, Autor
Alam, M. M.3, Autor
Mahmud, W.3, Autor
Kabir, N.3, Autor
Reza, H. M.3, Autor
Burne, T. H. J.4, 5, Autor
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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Schlagwörter: Attentional bias; Emotion; Reaction time; Trauma
 Zusammenfassung: 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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Sprache(n): eng - English
 Datum: 2017-03-122016-10-042017-05-172017-05-182017-08
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1016/j.janxdis.2017.05.006
PMID: 28551393
Anderer: Epub 2017
 Art des Abschluß: -

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Förderorganisation : National Skills Development Council (NSDC)
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Förderorganisation : Ministry of Labor and Employment, Government of Bangladesh

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Titel: Journal of Anxiety Disorders
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Amsterdam : Elsevier
Seiten: - Band / Heft: 50 Artikelnummer: - Start- / Endseite: 33 - 39 Identifikator: ISSN: 0887-6185
CoNE: https://pure.mpg.de/cone/journals/resource/0887-6185