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Visual search with biological threat stimuli: Accuracy, reaction times, and heart rate changes.
Mid Sweden University, Faculty of Human Sciences, Department of Social Sciences.ORCID iD: 0000-0002-9554-4478
2005 (English)In: Emotion, ISSN 1528-3542, Vol. 5, no 3, 349-353 p.Article in journal (Refereed) Published
Abstract [en]

Twenty-four participants were given a visual search task of deciding whether all the pictures in 3x3 search arrays contained a target picture from a deviant category, and heart rate was measured. The categories were: snakes, spiders, flowers, and mushrooms. Shorter reaction times (RT) were observed for fear-relevant (snake and spider) targets than for fear-irrelevant/neutral (flower and mushroom) targets. This difference was most pronounced for the participants presented with a grey-scale version of the search arrays. The first interbeat interval (IBI), after the search array onset, showed an effect of the target, while the second IBI also showed an effect of the distractors. The results suggest that controlled processing of the task operates together with automatic processing.

Place, publisher, year, edition, pages
2005. Vol. 5, no 3, 349-353 p.
National Category
Psychology
Identifiers
URN: urn:nbn:se:miun:diva-1101DOI: 10.1037/1528-3542.5.3.349ISI: 000232409000010Local ID: 2702OAI: oai:DiVA.org:miun-1101DiVA: diva2:26133
Note
VR-PsychologyAvailable from: 2008-09-30 Created: 2008-09-30 Last updated: 2009-11-02Bibliographically approved

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CiteExportLink to record
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