Journal Article FZJ-2021-01909

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Durable memories and efficient neural coding through mnemonic training using the method of loci

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2021
Assoc. Washington, DC [u.a.]

Science advances 7(10), eabc7606 - () [10.1126/sciadv.abc7606]

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Abstract: Mnemonic techniques, such as the method of loci, can powerfully boost memory. We compared memory athletes ranked among the world’s top 50 in memory sports to mnemonics-naïve controls. In a second study, participants completed a 6-week memory training, working memory training, or no intervention. Behaviorally, memory training enhanced durable, longer-lasting memories. Functional magnetic resonance imaging during encoding and recognition revealed task-based activation decreases in lateral prefrontal, as well as in parahippocampal and retrosplenial cortices in both memory athletes and participants after memory training, partly associated with better performance after 4 months. This was complemented by hippocampal-neocortical coupling during consolidation, which was stronger the more durable memories participants formed. Our findings advance knowledge on how mnemonic training boosts durable memory formation through decreased task-based activation and increased consolidation thereafter. This is in line with conceptual accounts of neural efficiency and highlights a complex interplay of neural processes critical for extraordinary memory.

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Contributing Institute(s):
  1. Kognitive Neurowissenschaften (INM-3)
Research Program(s):
  1. 525 - Decoding Brain Organization and Dysfunction (POF4-525) (POF4-525)

Appears in the scientific report 2021
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 Record created 2021-04-26, last modified 2021-06-23


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