Durable memories and efficient neural coding through mnemonic training using the method of loci
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Durable memories and efficient neural coding through mnemonic training using the method of loci. / Wagner, I C; Konrad, B N; Schuster, P; Weisig, S; Repantis, D; Ohla, K; Kühn, S; Fernández, G; Steiger, A; Lamm, C; Czisch, M; Dresler, M.
in: SCI ADV, Jahrgang 7, Nr. 10, eabc7606, 03.2021.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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TY - JOUR
T1 - Durable memories and efficient neural coding through mnemonic training using the method of loci
AU - Wagner, I C
AU - Konrad, B N
AU - Schuster, P
AU - Weisig, S
AU - Repantis, D
AU - Ohla, K
AU - Kühn, S
AU - Fernández, G
AU - Steiger, A
AU - Lamm, C
AU - Czisch, M
AU - Dresler, M
N1 - Copyright © 2021 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).
PY - 2021/3
Y1 - 2021/3
N2 - 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.
AB - 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.
U2 - 10.1126/sciadv.abc7606
DO - 10.1126/sciadv.abc7606
M3 - SCORING: Journal article
C2 - 33658191
VL - 7
JO - SCI ADV
JF - SCI ADV
SN - 2375-2548
IS - 10
M1 - eabc7606
ER -
