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Characteristics of EEG power spectra involved in the proficiency of motor learning

Neuromodulation techniques for modulating brain activity can affect performance in a variety of behaviors. Techniques including transcranial alternating current stimulation and random noise stimulation can modulate neural oscillations. However, the intervention effect of neuromodulation approaches o...

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Autores principales: Hamada, Hiroyuki, Wen, Wen, Kawasaki, Tsubasa, Yamashita, Atsushi, Asama, Hajime
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10364476/
https://www.ncbi.nlm.nih.gov/pubmed/37492406
http://dx.doi.org/10.3389/fnins.2023.1094658
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author Hamada, Hiroyuki
Wen, Wen
Kawasaki, Tsubasa
Yamashita, Atsushi
Asama, Hajime
author_facet Hamada, Hiroyuki
Wen, Wen
Kawasaki, Tsubasa
Yamashita, Atsushi
Asama, Hajime
author_sort Hamada, Hiroyuki
collection PubMed
description Neuromodulation techniques for modulating brain activity can affect performance in a variety of behaviors. Techniques including transcranial alternating current stimulation and random noise stimulation can modulate neural oscillations. However, the intervention effect of neuromodulation approaches on motor learning is poor, partly because the electroencephalography (EEG) power spectra associated with the motor learning process has not yet been fully elucidated. Therefore, we investigated the characteristics of EEG power spectra in the process of motor learning in 15 right-handed healthy participants (5 females; mean age = 22.8 ± 3.0 years). The motor task was a ball-rotation task in which participants rotated two balls in the palm of their left hand. Participants performed a pre-test, the motor learning tasks, and a post-test. In the motor learning tasks, twenty 60 s trials were performed in the clockwise (CW) direction. Before and after the motor learning tasks, CW and counterclockwise (CCW; control condition) tasks were performed for 60 s each as pre- and post-tests. Therefore, CW direction was set as a motor learning task, while CCW was a test-only control task. EEG was recorded during the tests and tasks, and the power spectra in the alpha, beta, and gamma oscillations were calculated and compared between pre- and post-tests. The results showed that in the CW post-test, the power of the gamma band in the left parietal areas and the right frontal area was significantly higher than in the pre-test. In the CCW, there was no significant difference in each band at each area between the pre- and post-tests. Our findings reveal the characteristics of the EEG spectra related to the motor learning process. These results may help to establish more effective neuromodulation approaches to modifying neural oscillations in motor learning, including in rehabilitation fields.
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spelling pubmed-103644762023-07-25 Characteristics of EEG power spectra involved in the proficiency of motor learning Hamada, Hiroyuki Wen, Wen Kawasaki, Tsubasa Yamashita, Atsushi Asama, Hajime Front Neurosci Neuroscience Neuromodulation techniques for modulating brain activity can affect performance in a variety of behaviors. Techniques including transcranial alternating current stimulation and random noise stimulation can modulate neural oscillations. However, the intervention effect of neuromodulation approaches on motor learning is poor, partly because the electroencephalography (EEG) power spectra associated with the motor learning process has not yet been fully elucidated. Therefore, we investigated the characteristics of EEG power spectra in the process of motor learning in 15 right-handed healthy participants (5 females; mean age = 22.8 ± 3.0 years). The motor task was a ball-rotation task in which participants rotated two balls in the palm of their left hand. Participants performed a pre-test, the motor learning tasks, and a post-test. In the motor learning tasks, twenty 60 s trials were performed in the clockwise (CW) direction. Before and after the motor learning tasks, CW and counterclockwise (CCW; control condition) tasks were performed for 60 s each as pre- and post-tests. Therefore, CW direction was set as a motor learning task, while CCW was a test-only control task. EEG was recorded during the tests and tasks, and the power spectra in the alpha, beta, and gamma oscillations were calculated and compared between pre- and post-tests. The results showed that in the CW post-test, the power of the gamma band in the left parietal areas and the right frontal area was significantly higher than in the pre-test. In the CCW, there was no significant difference in each band at each area between the pre- and post-tests. Our findings reveal the characteristics of the EEG spectra related to the motor learning process. These results may help to establish more effective neuromodulation approaches to modifying neural oscillations in motor learning, including in rehabilitation fields. Frontiers Media S.A. 2023-07-10 /pmc/articles/PMC10364476/ /pubmed/37492406 http://dx.doi.org/10.3389/fnins.2023.1094658 Text en Copyright © 2023 Hamada, Wen, Kawasaki, Yamashita and Asama. https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Neuroscience
Hamada, Hiroyuki
Wen, Wen
Kawasaki, Tsubasa
Yamashita, Atsushi
Asama, Hajime
Characteristics of EEG power spectra involved in the proficiency of motor learning
title Characteristics of EEG power spectra involved in the proficiency of motor learning
title_full Characteristics of EEG power spectra involved in the proficiency of motor learning
title_fullStr Characteristics of EEG power spectra involved in the proficiency of motor learning
title_full_unstemmed Characteristics of EEG power spectra involved in the proficiency of motor learning
title_short Characteristics of EEG power spectra involved in the proficiency of motor learning
title_sort characteristics of eeg power spectra involved in the proficiency of motor learning
topic Neuroscience
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10364476/
https://www.ncbi.nlm.nih.gov/pubmed/37492406
http://dx.doi.org/10.3389/fnins.2023.1094658
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