Journal Article

FZJ-2021-01909

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Durable memories and efficient neural coding through mnemonic training using the method of loci

Wagner, I. C. (Corresponding author) ; Konrad, B. N. ; Schuster, P. ; Weisig, S. ; Repantis, D. ; Ohla, K.FZJ* ; Kühn, S. ; Fernández, G. ; Steiger, A. ; Lamm, C. ; Czisch, M. ; Dresler, M.

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

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Please use a persistent id in citations: http://hdl.handle.net/2128/27696  doi:10.1126/sciadv.abc7606

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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