Neurofeedback of scalp bi-hemispheric EEG sensorimotor rhythm guides hemispheric activation of sensorimotor cortex in the targeted hemisphere
Copyright © 2020 The Authors. Published by Elsevier Inc. All rights reserved..
Oscillatory electroencephalographic (EEG) activity is associated with the excitability of cortical regions. Visual feedback of EEG-oscillations may promote sensorimotor cortical activation, but its spatial specificity is not truly guaranteed due to signal interaction among interhemispheric brain regions. Guiding spatially specific activation is important for facilitating neural rehabilitation processes. Here, we tested whether users could explicitly guide sensorimotor cortical activity to the contralateral or ipsilateral hemisphere using a spatially bivariate EEG-based neurofeedback that monitors bi-hemispheric sensorimotor cortical activities for healthy participants. Two different motor imageries (shoulder and hand MIs) were selected to see how differences in intrinsic corticomuscular projection patterns might influence activity lateralization. We showed sensorimotor cortical activities during shoulder, but not hand MI, can be brought under ipsilateral control with guided EEG-based neurofeedback. These results are compatible with neuroanatomy; shoulder muscles are innervated bihemispherically, whereas hand muscles are mostly innervated contralaterally. We demonstrate the neuroanatomically-inspired approach enables us to investigate potent neural remodeling functions that underlie EEG-based neurofeedback via a BCI.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:223 |
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| Enthalten in: |
NeuroImage - 223(2020) vom: 15. Dez., Seite 117298 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Hayashi, Masaaki [VerfasserIn] |
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| Links: |
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| Themen: |
Brain-Computer Interface |
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| Anmerkungen: |
Date Completed 03.03.2021 Date Revised 03.03.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.neuroimage.2020.117298 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM31402557X |
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| 520 | |a Copyright © 2020 The Authors. Published by Elsevier Inc. All rights reserved. | ||
| 520 | |a Oscillatory electroencephalographic (EEG) activity is associated with the excitability of cortical regions. Visual feedback of EEG-oscillations may promote sensorimotor cortical activation, but its spatial specificity is not truly guaranteed due to signal interaction among interhemispheric brain regions. Guiding spatially specific activation is important for facilitating neural rehabilitation processes. Here, we tested whether users could explicitly guide sensorimotor cortical activity to the contralateral or ipsilateral hemisphere using a spatially bivariate EEG-based neurofeedback that monitors bi-hemispheric sensorimotor cortical activities for healthy participants. Two different motor imageries (shoulder and hand MIs) were selected to see how differences in intrinsic corticomuscular projection patterns might influence activity lateralization. We showed sensorimotor cortical activities during shoulder, but not hand MI, can be brought under ipsilateral control with guided EEG-based neurofeedback. These results are compatible with neuroanatomy; shoulder muscles are innervated bihemispherically, whereas hand muscles are mostly innervated contralaterally. We demonstrate the neuroanatomically-inspired approach enables us to investigate potent neural remodeling functions that underlie EEG-based neurofeedback via a BCI | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Randomized Controlled Trial | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Brain-Computer Interface | |
| 650 | 4 | |a Electroencephalography | |
| 650 | 4 | |a Laterality | |
| 650 | 4 | |a Neural plasticity | |
| 650 | 4 | |a Neurofeedback | |
| 650 | 4 | |a Sensorimotor cortical activity | |
| 700 | 1 | |a Mizuguchi, Nobuaki |e verfasserin |4 aut | |
| 700 | 1 | |a Tsuchimoto, Shohei |e verfasserin |4 aut | |
| 700 | 1 | |a Ushiba, Junichi |e verfasserin |4 aut | |
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