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Tracking fear in snake and spider fearful participants during visual search: a multi-response domain study
Department of Social Science, Mid Sweden University, Östersund, Sweden; University of Geneva, Switzerland.
University of Geneva, Switzerland.
2006 (Engelska)Ingår i: Cognition & Emotion, ISSN 0269-9931, E-ISSN 1464-0600, Vol. 20, nr 8, s. 1075-1091Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

In visual search tasks snake or spider fearful participants showed shorter reaction times (RTs) to respond to their feared animal (e.g., snake) than to the nonfeared animal (i.e., spider) (Öhman, Flykt, & Esteves, 2001). Here, we used this paradigm with heart rate (HR), RTs, and event-related potential (ERP) measures, to investigate the nature of the responses to the feared animal, a nonfeared (but fear-relevant) animal, and fear-irrelevant target stimuli with snake fearful, spider fearful, and nonfearful participants. Fearful participants showed shorter RTs and evoked larger amplitudes on a late positive potential (LPP; 500-700 ms) for their feared compared to the nonfeared and the fear-irrelevant targets. No relevant significant differences were found on early ERP components and HR measures. These findings do not support an involvement of early information processing in the detection of the feared animal in fearful participants, they favour instead a more elaborated analysis of these complex stimuli to achieve the detection.

Ort, förlag, år, upplaga, sidor
2006. Vol. 20, nr 8, s. 1075-1091
Identifikatorer
URN: urn:nbn:se:hig:diva-1950DOI: 10.1080/02699930500381405ISI: 000243384000002OAI: oai:DiVA.org:hig-1950DiVA, id: diva2:118612
Tillgänglig från: 2008-06-10 Skapad: 2008-06-10 Senast uppdaterad: 2018-03-13Bibliografiskt granskad

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