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  Boosting long-term effects of degraded memories via acute stress

van Schie, K., Burghart, M., Kang, S., Mertens, G., & Smeets, T. (2022). Boosting long-term effects of degraded memories via acute stress. Comprehensive Psychoneuroendocrinology, 11: 100154. doi:10.1016/j.cpnec.2022.100154.

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van Schie, Kevin, Author
Burghart, Matthias1, Author           
Kang, Sahaj, Author
Mertens, Gaëtan, Author
Smeets, Tom, Author
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1External Organizations, ou_persistent22              

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 Abstract: Combining recall of an emotional memory with simultaneous horizontal eye movements (i.e., Recall + EM) reduces memory aversiveness. However, the long-term persistence of this effect is inconsistent across studies. Given that stress may aid in the consolidation of memories, we examined whether acute stress can boost the long-term effects of degraded memories. To test this, participants recalled two negative memories, which were assigned to a Recall + EM or Recall Only condition. Before and after each intervention they rated memory aversiveness (i.e., immediate effects) followed by a stress-induction or control procedure. After a 24h-period, participants rated each memory again (i.e., long-term effects). We found that Recall + EM produces immediate effects but that these effects dissolve over time. Moreover, acute stress did not boost potential long-term effects of Recall + EM. Degraded memories were not retained better by applying stress. We discuss these results and how long-term effectiveness may still be achieved.

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 Dates: 2022
 Publication Status: Issued
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 Identifiers: DOI: 10.1016/j.cpnec.2022.100154
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Title: Comprehensive Psychoneuroendocrinology
Source Genre: Journal
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Pages: - Volume / Issue: 11 Sequence Number: 100154 Start / End Page: - Identifier: ISBN: 2666-4976