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Effects of Intensity-Specific Acute Exercise on Paired-Associative Memory and Memory Interference
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Exercise and Retrieval-Induced Forgetting

Exercise & Memory Laboratory, Department of Health, Exercise Science and Recreation Management, The University of Mississippi, University, MS 38677, USA
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Psych 2019, 1(1), 405-411; https://doi.org/10.3390/psych1010030
Received: 19 April 2019 / Revised: 4 July 2019 / Accepted: 8 July 2019 / Published: 10 July 2019
(This article belongs to the Special Issue Cognition and memory: from body to mind and back)
Retrieving a subset of items from memory can cause forgetting of other related items in memory, referred to as retrieval-induced forgetting (RIF). This type of forgetting (RIF) is thought to be related to working memory and executive control processes, of which are known to be influenced by acute exercise. The objective of this study was to evaluate whether acute exercise could accentuate RIF. A two-arm, parallel-group randomized controlled intervention was employed. Participants (N = 40) were randomized into one of two groups, including an experimental group (15-min of moderate-intensity exercise) and a control group (time-matched seated task). Retrieval-induced forgetting (RIF) and retrieval practice (RP) were assessed from a category-exemplar memory task. There was no significant main effect for RIF and no group by RIF interaction, suggesting that acute exercise did not alter RIF more than the control group. There was a significant main effect for RP, but there was no group by RP interaction. These RP findings align with the RIF findings, indicating that acute exercise did not alter RP more so than the control group. In conclusion, our experimental results do not provide support for an association of acute exercise on retrieval-induced forgetting or retrieval practice. View Full-Text
Keywords: executive control; memory interference; physical activity; working memory executive control; memory interference; physical activity; working memory
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Cantrelle, J.; Loprinzi, P. Exercise and Retrieval-Induced Forgetting. Psych 2019, 1, 405-411.

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