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Skin conductance responses to masked conditioned stimuli: phylogenetic/ontogenetic factors versus direction of threat?
Psychology Section, Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden; Psychology section, Karlstad University, Karlstad, Sweden.
Psychology Section, Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden; Department of Organizational and Social Psychology, ISCTE, Lisbon, Portugal.
Psychology Section, Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden.
2007 (English)In: Biological Psychology, ISSN 0301-0511, E-ISSN 1873-6246, Vol. 74, no 3, 328-336 p.Article in journal (Refereed) Published
Abstract [en]

Evolutionarily old threat stimuli are likely to require less conscious information processing than threat stimuli of a more recent date. To test thisproposal two differential conditioning experiments, with biological threat stimuli (e.g. snakes) in half the groups and cultural threat stimuli (e.g.guns) in the other half, were conducted. The conditioned (CS+) and the control (CS) stimuli were backward masked during the extinction phase toprevent conscious recognition. The differential skin conductance responding for both biological and cultural threat stimuli survived the maskingprocedure when the conditioned stimuli were directed towards the participants (Experiment 1), but for neither type of CS when stimuli were notdirected towards the participants (Experiment 2). These findings are discussed in relation to the previous finding by O ̈hman and co-workers and inrelation to imminence of threat.

Place, publisher, year, edition, pages
2007. Vol. 74, no 3, 328-336 p.
Keyword [en]
Conditioning; Masking; Threat; Guns; Snakes; Direction
National Category
Psychology
Identifiers
URN: urn:nbn:se:hig:diva-2524DOI: 10.1016/j.biopsycho.2006.08.004ISI: 000244553200003OAI: oai:DiVA.org:hig-2524DiVA: diva2:119186
Available from: 2007-08-08 Created: 2007-08-08 Last updated: 2016-10-18Bibliographically approved

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CiteExportLink to record
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Citation style
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  • ieee
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  • sv-SE
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  • nn-NB
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  • Other locale
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  • asciidoc
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