Reward boosts reinforcement-based motor learning.
Behavioral neuroscience
Cognitive neuroscience
Neuroscience
Sensory neuroscience
Journal
iScience
ISSN: 2589-0042
Titre abrégé: iScience
Pays: United States
ID NLM: 101724038
Informations de publication
Date de publication:
23 Jul 2021
23 Jul 2021
Historique:
received:
29
04
2021
revised:
16
06
2021
accepted:
02
07
2021
entrez:
4
8
2021
pubmed:
5
8
2021
medline:
5
8
2021
Statut:
epublish
Résumé
Besides relying heavily on sensory and reinforcement feedback, motor skill learning may also depend on the level of motivation experienced during training. Yet, how motivation by reward modulates motor learning remains unclear. In 90 healthy subjects, we investigated the net effect of motivation by reward on motor learning while controlling for the sensory and reinforcement feedback received by the participants. Reward improved motor skill learning beyond performance-based reinforcement feedback. Importantly, the beneficial effect of reward involved a specific potentiation of reinforcement-related adjustments in motor commands, which concerned primarily the most relevant motor component for task success and persisted on the following day in the absence of reward. We propose that the long-lasting effects of motivation on motor learning may entail a form of associative learning resulting from the repetitive pairing of the reinforcement feedback and reward during training, a mechanism that may be exploited in future rehabilitation protocols.
Identifiants
pubmed: 34345810
doi: 10.1016/j.isci.2021.102821
pii: S2589-0042(21)00789-6
pmc: PMC8319366
doi:
Types de publication
Journal Article
Langues
eng
Pagination
102821Informations de copyright
© 2021 The Author(s).
Déclaration de conflit d'intérêts
The authors declare no conflict of interest.
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