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Sleep and the generalization of fear learning
Lund University.
Lund University.
Kristianstad University, School of Education and Environment, Avdelningen för Humanvetenskap.ORCID iD: 0000-0002-2921-3945
Lund University.
2016 (English)In: Journal of Sleep Research, ISSN 0962-1105, E-ISSN 1365-2869, Vol. 25, no 1, 88-95 p.Article in journal (Refereed) Published
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Abstract [en]

Fear conditioning is an important survival mechanism, as is the ability to generalize learned fear responses to stimuli that are similar to the original conditioned stimulus. Overgeneralization of fear learning, prominent in many anxiety disorders, is however highly maladaptive. Because sleep is involved in the consolidation of fear learning, and in active processing of information, the present study explored the effect of sleep on generalization of fear learning. Participants watched a random sequence of pictures of a small and a big circle, one of them coupled with an aversive sound. Then, after a delay period containing either a nap or wake, generalization was examined as participants watched the two circles again, together with eight novel circles that gradually varied in size between the former two. Results showed that the fear response increased as a function of similarity to the conditioned response. However, there was no difference in the degree of generalization between the sleep and the wake group.

Place, publisher, year, edition, pages
2016. Vol. 25, no 1, 88-95 p.
Keyword [en]
Daytime sleep, emotional memory consolidation, skin conductance responses
National Category
Psychology
Identifiers
URN: urn:nbn:se:hkr:diva-15237DOI: 10.1111/jsr.12339ISI: 000367618900013OAI: oai:DiVA.org:hkr-15237DiVA: diva2:898508
Available from: 2016-01-28 Created: 2016-01-28 Last updated: 2016-01-28Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • modern-language-association-8th-edition
  • vancouver
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  • de-DE
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  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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  • asciidoc
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