tDCS over the primary motor cortex contralateral to the trained hand enhances cross-limb transfer in older adults.
aging
cross-limb transfer
grooved pegboard task
manual dexterity
transcranial direct current stimulation
Journal
Frontiers in aging neuroscience
ISSN: 1663-4365
Titre abrégé: Front Aging Neurosci
Pays: Switzerland
ID NLM: 101525824
Informations de publication
Date de publication:
2022
2022
Historique:
received:
04
05
2022
accepted:
29
08
2022
entrez:
7
10
2022
pubmed:
8
10
2022
medline:
8
10
2022
Statut:
epublish
Résumé
Transferring a unimanual motor skill to the untrained hand, a phenomenon known as cross-limb transfer, was shown to deteriorate as a function of age. While transcranial direct current stimulation (tDCS) ipsilateral to the trained hand facilitated cross-limb transfer in older adults, little is known about the contribution of the contralateral hemisphere to cross-limb transfer. In the present study, we investigated whether tDCS facilitates cross-limb transfer in older adults when applied over the motor cortex (M1) contralateral to the trained hand. Furthermore, the study aimed at investigating short-term recovery of tDCS-associated cross-limb transfer. In a randomized, double-blinded, sham-controlled setting, 30 older adults (67.0 ± 4.6 years, 15 female) performed a short grooved-pegboard training using their left hand, while anodal (a-tDCS) or sham-tDCS (s-tDCS) was applied over right M1 for 20 min. Left (LH
Identifiants
pubmed: 36204550
doi: 10.3389/fnagi.2022.935781
pmc: PMC9530461
doi:
Types de publication
Journal Article
Langues
eng
Pagination
935781Informations de copyright
Copyright © 2022 Kaminski, Maudrich, Bassler, Ordnung, Villringer and Ragert.
Déclaration de conflit d'intérêts
The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
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