Noninvasive brain stimulation over M1 and DLPFC cortex enhances the learning of bimanual isometric force control

Yan Jin; Jaehyuk Lee; Sungyong Kim; Bum Chul Yoon

doi:10.1016/j.humov.2019.03.002

Noninvasive brain stimulation over M1 and DLPFC cortex enhances the learning of bimanual isometric force control

Yan Jin, Jaehyuk Lee, Sungyong Kim, Bum Chul Yoon

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

Motor learning plays an important role in upper-limb function and the recovery of lost functionality. This study aimed to investigate the relative impact of transcranial direct current stimulation (tDCS) on learning in relation to the left primary motor cortex (M1) and left dorsolateral prefrontal cortex (DLPFC) during bimanual isometric force-control tasks performed with both hands under different task constraints. In a single-blind cross-over design, 20 right-handed participants were randomly assigned to either the M1 group (n = 10; mean age, 22.90 ± 1.66 years, mean ± standard deviation) or the DLPFC group (n = 10; mean age, 23.20 ± 1.54 years). Each participant received 30 min of tDCS (anodal or sham, applied randomly in two experiments) while performing the bimanual force control tasks. Anodal tDCS of the M1 improved the accuracy of maintenance and rhythmic alteration of force tasks, while anodal tDCS of the DLPFC improved only the maintenance of the force control tasks compared with sham tDCS. Hence, tDCS over the left M1 and DLPFC has a beneficial effect on the learning of bimanual force control.

Original language	English
Pages (from-to)	73-83
Number of pages	11
Journal	Human Movement Science
Volume	66
DOIs	https://doi.org/10.1016/j.humov.2019.03.002
Publication status	Published - 2019 Aug

Bibliographical note

Funding Information:
This work was supported by Korea University under Grant ( K1711231 ).

Publisher Copyright:
© 2019 Elsevier B.V.

Keywords

Bimanual force control
Dorsolateral prefrontal cortex
Motor learning
Primary motor cortex
Transcranial direct current stimulation

ASJC Scopus subject areas

Biophysics
Orthopedics and Sports Medicine
Experimental and Cognitive Psychology

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10.1016/j.humov.2019.03.002

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title = "Noninvasive brain stimulation over M1 and DLPFC cortex enhances the learning of bimanual isometric force control",

abstract = "Motor learning plays an important role in upper-limb function and the recovery of lost functionality. This study aimed to investigate the relative impact of transcranial direct current stimulation (tDCS) on learning in relation to the left primary motor cortex (M1) and left dorsolateral prefrontal cortex (DLPFC) during bimanual isometric force-control tasks performed with both hands under different task constraints. In a single-blind cross-over design, 20 right-handed participants were randomly assigned to either the M1 group (n = 10; mean age, 22.90 ± 1.66 years, mean ± standard deviation) or the DLPFC group (n = 10; mean age, 23.20 ± 1.54 years). Each participant received 30 min of tDCS (anodal or sham, applied randomly in two experiments) while performing the bimanual force control tasks. Anodal tDCS of the M1 improved the accuracy of maintenance and rhythmic alteration of force tasks, while anodal tDCS of the DLPFC improved only the maintenance of the force control tasks compared with sham tDCS. Hence, tDCS over the left M1 and DLPFC has a beneficial effect on the learning of bimanual force control.",

keywords = "Bimanual force control, Dorsolateral prefrontal cortex, Motor learning, Primary motor cortex, Transcranial direct current stimulation",

author = "Yan Jin and Jaehyuk Lee and Sungyong Kim and Yoon, {Bum Chul}",

note = "Funding Information: This work was supported by Korea University under Grant ( K1711231 ). Publisher Copyright: {\textcopyright} 2019 Elsevier B.V.",

year = "2019",

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doi = "10.1016/j.humov.2019.03.002",

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PY - 2019/8

Y1 - 2019/8

N2 - Motor learning plays an important role in upper-limb function and the recovery of lost functionality. This study aimed to investigate the relative impact of transcranial direct current stimulation (tDCS) on learning in relation to the left primary motor cortex (M1) and left dorsolateral prefrontal cortex (DLPFC) during bimanual isometric force-control tasks performed with both hands under different task constraints. In a single-blind cross-over design, 20 right-handed participants were randomly assigned to either the M1 group (n = 10; mean age, 22.90 ± 1.66 years, mean ± standard deviation) or the DLPFC group (n = 10; mean age, 23.20 ± 1.54 years). Each participant received 30 min of tDCS (anodal or sham, applied randomly in two experiments) while performing the bimanual force control tasks. Anodal tDCS of the M1 improved the accuracy of maintenance and rhythmic alteration of force tasks, while anodal tDCS of the DLPFC improved only the maintenance of the force control tasks compared with sham tDCS. Hence, tDCS over the left M1 and DLPFC has a beneficial effect on the learning of bimanual force control.

AB - Motor learning plays an important role in upper-limb function and the recovery of lost functionality. This study aimed to investigate the relative impact of transcranial direct current stimulation (tDCS) on learning in relation to the left primary motor cortex (M1) and left dorsolateral prefrontal cortex (DLPFC) during bimanual isometric force-control tasks performed with both hands under different task constraints. In a single-blind cross-over design, 20 right-handed participants were randomly assigned to either the M1 group (n = 10; mean age, 22.90 ± 1.66 years, mean ± standard deviation) or the DLPFC group (n = 10; mean age, 23.20 ± 1.54 years). Each participant received 30 min of tDCS (anodal or sham, applied randomly in two experiments) while performing the bimanual force control tasks. Anodal tDCS of the M1 improved the accuracy of maintenance and rhythmic alteration of force tasks, while anodal tDCS of the DLPFC improved only the maintenance of the force control tasks compared with sham tDCS. Hence, tDCS over the left M1 and DLPFC has a beneficial effect on the learning of bimanual force control.

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Noninvasive brain stimulation over M1 and DLPFC cortex enhances the learning of bimanual isometric force control

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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