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Effects of a dual task and different levels of divided attention on motor-related cortical potential

[Purpose] The aim of this study was to investigate the effect of divided attention on motor-related cortical potential (MRCP) during dual task performance while the difficulty of the secondary task was altered. [Participants and Methods] Twenty-two right-handed healthy volunteers participated in the...

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Autores principales: Hirano, Daisuke, Goto, Yoshinobu, Jinnai, Daisuke, Taniguchi, Takamichi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Society of Physical Therapy Science 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7708013/
https://www.ncbi.nlm.nih.gov/pubmed/33281285
http://dx.doi.org/10.1589/jpts.32.710
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author Hirano, Daisuke
Goto, Yoshinobu
Jinnai, Daisuke
Taniguchi, Takamichi
author_facet Hirano, Daisuke
Goto, Yoshinobu
Jinnai, Daisuke
Taniguchi, Takamichi
author_sort Hirano, Daisuke
collection PubMed
description [Purpose] The aim of this study was to investigate the effect of divided attention on motor-related cortical potential (MRCP) during dual task performance while the difficulty of the secondary task was altered. [Participants and Methods] Twenty-two right-handed healthy volunteers participated in the study. MRCPs were recorded during two tasks, a single task (ST) and a simple (S-DT) or complex dual task (C-DT). The ST involved a self-paced tapping task in which the participants extended their right index finger. In the dual task, the participants performed the ST and a visual number counting task simultaneously. [Results] The amplitude and integral value of MRCP from electroencephalography electrode C3 was significantly higher in the S-DT than in the ST, whereas they were similar between the C-DT and the ST. Medium-load divided attention (i.e., S-DT) led to significantly more changes in the MRCP magnitude than did low-load divided attention (i.e., ST). However, the MRCP of high-load divided attention (i.e., C-DT) was similar to that of low-load divided attention. [Conclusion] These results suggest that MRCP reflects the function of or network between the supplementary motor area and the dorsolateral prefrontal cortex, and may serve as a marker for screening the capacity of individuals to perform dual tasks.
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spelling pubmed-77080132020-12-05 Effects of a dual task and different levels of divided attention on motor-related cortical potential Hirano, Daisuke Goto, Yoshinobu Jinnai, Daisuke Taniguchi, Takamichi J Phys Ther Sci Original Article [Purpose] The aim of this study was to investigate the effect of divided attention on motor-related cortical potential (MRCP) during dual task performance while the difficulty of the secondary task was altered. [Participants and Methods] Twenty-two right-handed healthy volunteers participated in the study. MRCPs were recorded during two tasks, a single task (ST) and a simple (S-DT) or complex dual task (C-DT). The ST involved a self-paced tapping task in which the participants extended their right index finger. In the dual task, the participants performed the ST and a visual number counting task simultaneously. [Results] The amplitude and integral value of MRCP from electroencephalography electrode C3 was significantly higher in the S-DT than in the ST, whereas they were similar between the C-DT and the ST. Medium-load divided attention (i.e., S-DT) led to significantly more changes in the MRCP magnitude than did low-load divided attention (i.e., ST). However, the MRCP of high-load divided attention (i.e., C-DT) was similar to that of low-load divided attention. [Conclusion] These results suggest that MRCP reflects the function of or network between the supplementary motor area and the dorsolateral prefrontal cortex, and may serve as a marker for screening the capacity of individuals to perform dual tasks. The Society of Physical Therapy Science 2020-11-11 2020-11 /pmc/articles/PMC7708013/ /pubmed/33281285 http://dx.doi.org/10.1589/jpts.32.710 Text en 2020©by the Society of Physical Therapy Science. Published by IPEC Inc. This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives (by-nc-nd) License. (CC-BY-NC-ND 4.0: https://creativecommons.org/licenses/by-nc-nd/4.0/)
spellingShingle Original Article
Hirano, Daisuke
Goto, Yoshinobu
Jinnai, Daisuke
Taniguchi, Takamichi
Effects of a dual task and different levels of divided attention on motor-related cortical potential
title Effects of a dual task and different levels of divided attention on motor-related cortical potential
title_full Effects of a dual task and different levels of divided attention on motor-related cortical potential
title_fullStr Effects of a dual task and different levels of divided attention on motor-related cortical potential
title_full_unstemmed Effects of a dual task and different levels of divided attention on motor-related cortical potential
title_short Effects of a dual task and different levels of divided attention on motor-related cortical potential
title_sort effects of a dual task and different levels of divided attention on motor-related cortical potential
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7708013/
https://www.ncbi.nlm.nih.gov/pubmed/33281285
http://dx.doi.org/10.1589/jpts.32.710
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