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The effect of mindfulness training on extinction retention
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Psychology. Department of Psychology, University of Southern Denmark, Odense, Denmark;Department of Psychology, Lund University, Lund, Sweden.
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2019 (English)In: Scientific Reports, ISSN 2045-2322, E-ISSN 2045-2322, Vol. 9, no 1, article id 19896Article in journal (Refereed) Published
Abstract [en]

Anxiety and trauma related disorders are highly prevalent, causing suffering and high costs for society. Current treatment strategies, although effective, only show moderate effect-sizes when compared to adequate control groups demonstrating a need to develop new forms of treatment or optimize existing ones. In order to achieve this, an increased understanding of what mechanisms are involved is needed. An emerging literature indicates that mindfulness training (MFT) can be used to treat fear and anxiety related disorders, but the treatment mechanisms are unclear. One hypothesis, largely based on findings from neuroimaging studies, states that MFT may improve extinction retention, but this has not been demonstrated empirically. To investigate this question healthy subjects either completed a 4-week MFT- intervention delivered through a smart-phone app (n = 14) or were assigned to a waitlist (n = 15). Subsequently, subjects participated in a two-day experimental protocol using pavlovian aversive conditioning, evaluating acquisition and extinction of threat-related responses on day 1, and extinction retention on day 2. Results showed that the MFT group displayed reduced spontaneous recovery of threat related arousal responses, as compared to the waitlist control group, on day 2. MFT did not however, have an effect on either the acquisition or extinction of conditioned responses day 1. This clarifies the positive effect of MFT on emotional functioning and could have implications for the treatment of anxiety and trauma related disorders.

Place, publisher, year, edition, pages
Nature Publishing Group, 2019. Vol. 9, no 1, article id 19896
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Psychology
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URN: urn:nbn:se:uu:diva-401166DOI: 10.1038/s41598-019-56167-7ISI: 000508960900004PubMedID: 31882606OAI: oai:DiVA.org:uu-401166DiVA, id: diva2:1383013
Available from: 2020-01-07 Created: 2020-01-07 Last updated: 2020-03-12Bibliographically approved

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