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学術論文

Boosting long-term effects of degraded memories via acute stress

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https://doi.org/10.1016/j.cpnec.2022.100154
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引用

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:. doi:10.1016/j.cpnec.2022.100154.


引用: https://hdl.handle.net/21.11116/0000-000E-A678-0
要旨
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.