TDCS effects on pointing task learning in young and old adults

Abstract Skill increase in motor performance can be defined as explicitly measuring task success but also via more implicit measures of movement kinematics. Even though these measures are often related, there is evidence that they represent distinct concepts of learning. In the present study, the ef...

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Autores principales:	E. Kaminski, M. Engelhardt, M. Hoff, C. Steele, A.Villringer, P. Ragert
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b793f224d792408fa780e6a2c2d0aca5
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spelling	oai:doaj.org-article:b793f224d792408fa780e6a2c2d0aca52021-12-02T14:11:30ZTDCS effects on pointing task learning in young and old adults10.1038/s41598-021-82275-42045-2322https://doaj.org/article/b793f224d792408fa780e6a2c2d0aca52021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-82275-4https://doaj.org/toc/2045-2322Abstract Skill increase in motor performance can be defined as explicitly measuring task success but also via more implicit measures of movement kinematics. Even though these measures are often related, there is evidence that they represent distinct concepts of learning. In the present study, the effect of multiple tDCS-sessions on both explicit and implicit measures of learning are investigated in a pointing task in 30 young adults (YA) between 27.07 ± 3.8 years and 30 old adults (OA) between 67.97 years ± 5.3 years. We hypothesized, that OA would show slower explicit skill learning indicated by higher movement times/lower accuracy and slower implicit learning indicated by higher spatial variability but profit more from anodal tDCS compared with YA. We found age-related differences in movement time but not in accuracy or spatial variability. TDCS did not skill learning facilitate learning neither in explicit nor implicit parameters. However, contrary to our hypotheses, we found tDCS-associated higher accuracy only in YA but not in spatial variability. Taken together, our data shows limited overlapping of tDCS effects in explicit and implicit skill parameters. Furthermore, it supports the assumption that tDCS is capable of producing a performance-enhancing brain state at least for explicit skill acquisition.E. KaminskiM. EngelhardtM. HoffC. SteeleA.VillringerP. RagertNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q E. Kaminski M. Engelhardt M. Hoff C. Steele A.Villringer P. Ragert TDCS effects on pointing task learning in young and old adults
description	Abstract Skill increase in motor performance can be defined as explicitly measuring task success but also via more implicit measures of movement kinematics. Even though these measures are often related, there is evidence that they represent distinct concepts of learning. In the present study, the effect of multiple tDCS-sessions on both explicit and implicit measures of learning are investigated in a pointing task in 30 young adults (YA) between 27.07 ± 3.8 years and 30 old adults (OA) between 67.97 years ± 5.3 years. We hypothesized, that OA would show slower explicit skill learning indicated by higher movement times/lower accuracy and slower implicit learning indicated by higher spatial variability but profit more from anodal tDCS compared with YA. We found age-related differences in movement time but not in accuracy or spatial variability. TDCS did not skill learning facilitate learning neither in explicit nor implicit parameters. However, contrary to our hypotheses, we found tDCS-associated higher accuracy only in YA but not in spatial variability. Taken together, our data shows limited overlapping of tDCS effects in explicit and implicit skill parameters. Furthermore, it supports the assumption that tDCS is capable of producing a performance-enhancing brain state at least for explicit skill acquisition.
format	article
author	E. Kaminski M. Engelhardt M. Hoff C. Steele A.Villringer P. Ragert
author_facet	E. Kaminski M. Engelhardt M. Hoff C. Steele A.Villringer P. Ragert
author_sort	E. Kaminski
title	TDCS effects on pointing task learning in young and old adults
title_short	TDCS effects on pointing task learning in young and old adults
title_full	TDCS effects on pointing task learning in young and old adults
title_fullStr	TDCS effects on pointing task learning in young and old adults
title_full_unstemmed	TDCS effects on pointing task learning in young and old adults
title_sort	tdcs effects on pointing task learning in young and old adults
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/b793f224d792408fa780e6a2c2d0aca5
work_keys_str_mv	AT ekaminski tdcseffectsonpointingtasklearninginyoungandoldadults AT mengelhardt tdcseffectsonpointingtasklearninginyoungandoldadults AT mhoff tdcseffectsonpointingtasklearninginyoungandoldadults AT csteele tdcseffectsonpointingtasklearninginyoungandoldadults AT avillringer tdcseffectsonpointingtasklearninginyoungandoldadults AT pragert tdcseffectsonpointingtasklearninginyoungandoldadults
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TDCS effects on pointing task learning in young and old adults

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