期刊
ANNALS OF THE NEW YORK ACADEMY OF SCIENCES
卷 1502, 期 1, 页码 85-98出版社
WILEY
DOI: 10.1111/nyas.14656
关键词
music; memory; reward; dopamine; pleasure
资金
- Spanish Government (Ministerio de Ciencia, Innovacion y Universidades) [PGC2018-099859-B-I00]
- Impulsion IDEX Lyon grant
- FIS trough Grant from the Spanish Health Ministry [CP04/00 121]
- Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau, Barcelona
- Spanish Health Ministry, Instituto de Salud Carlos III
- la Caixa Foundation [100010434, LCF/BQ/PI20/11760001]
- David Yakobachvili Award for Emerging Research (NYU)
This study investigates the role of dopamine in driving memory improvements through musical rewards, highlighting that individual differences in reward processing and dopamine signaling can modulate the relationship between musical rewards and memory outcomes. Participants with high musical reward sensitivity showed better memory outcomes when experiencing greater pleasure, underscoring the flexibility of the human dopaminergic system to enhance memory formation through abstract rewards like music.
Music listening provides one of the most significant abstract rewards for humans because hearing music activates the dopaminergic mesolimbic system. Given the strong link between reward, dopamine, and memory, we aimed here to investigate the hypothesis that dopamine-dependent musical reward can drive memory improvements. Twenty-nine healthy participants of both sexes provided reward ratings of unfamiliar musical excerpts that had to be remembered following a consolidation period under three separate conditions: after the ingestion of a dopaminergic antagonist, a dopaminergic precursor, or a placebo. Linear mixed modeling of the intervention data showed that the effect of reward on memory-i.e., the greater the reward experienced while listening to the musical excerpts, the better the memory recollection performance-was modulated by both dopaminergic signaling and individual differences in reward processing. Greater pleasure was consistently associated with better memory outcomes in participants with high sensitivity to musical reward, but this effect was lost when dopaminergic signaling was disrupted in participants with average or low musical hedonia. Our work highlights the flexibility of the human dopaminergic system, which can enhance memory formation not only through explicit and/or primary reinforcers but also via abstract and aesthetic rewards such as music.
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