Exploring Hemodynamic Responses Using Mirror Visual Feedback With Electromyogram-Triggered Stimulation and Functional Near-Infrared Spectroscopy
In recent years, mirror visual feedback (MVF) therapy combined with electrical stimulation (ES) have been proposed for patients with hemiparesis. However, the neurophysiological effect remains unknown. We investigated the effects of MVF by itself and along with electromyogram-triggered ES (ETES) on...
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2019-02-01
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| Series: | Frontiers in Human Neuroscience |
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| Online Access: | https://www.frontiersin.org/article/10.3389/fnhum.2019.00060/full |
| _version_ | 1818453521403478016 |
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| author | Yuji Inagaki Kazunori Seki Hitoshi Makino Yuichirou Matsuo Tamaki Miyamoto Katsunori Ikoma |
| author_facet | Yuji Inagaki Kazunori Seki Hitoshi Makino Yuichirou Matsuo Tamaki Miyamoto Katsunori Ikoma |
| author_sort | Yuji Inagaki |
| collection | DOAJ |
| description | In recent years, mirror visual feedback (MVF) therapy combined with electrical stimulation (ES) have been proposed for patients with hemiparesis. However, the neurophysiological effect remains unknown. We investigated the effects of MVF by itself and along with electromyogram-triggered ES (ETES) on hemodynamic responses using functional near-infrared spectroscopy (NIRS). Eighteen healthy subjects participated in this study. We measured changes in brain oxygenation using 48 NIRS channels. We investigated the effects of three main factors of visual feedback (observation of a mark, right hand, and hand movements via mirror) with or without ES on bilateral precentral gyrus (PrG), postcentral gyrus (PoG), supplementary motor area (SMA), supramarginal gyrus area (SMG), and angular gyrus (AG) to determine the contribution of each factor. The results showed that the left PoG was significantly more activated when performing mirrored tasks (MT) than when performing circle or Right-hand Tasks (RTs). In addition, the right PoG and right SMA in MT were significantly more activated than in MT + ES cases. Our findings suggested that observation of movements through the mirror caused activation of the postcentral gyrus rather than the PrG, and MVF along with ETES decreased cortical activation. |
| first_indexed | 2024-12-14T21:40:18Z |
| format | Article |
| id | doaj.art-defa55cff3de4d298777724c5ec5227d |
| institution | Directory Open Access Journal |
| issn | 1662-5161 |
| language | English |
| last_indexed | 2024-12-14T21:40:18Z |
| publishDate | 2019-02-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Human Neuroscience |
| spelling | doaj.art-defa55cff3de4d298777724c5ec5227d2022-12-21T22:46:29ZengFrontiers Media S.A.Frontiers in Human Neuroscience1662-51612019-02-011310.3389/fnhum.2019.00060428428Exploring Hemodynamic Responses Using Mirror Visual Feedback With Electromyogram-Triggered Stimulation and Functional Near-Infrared SpectroscopyYuji Inagaki0Kazunori Seki1Hitoshi Makino2Yuichirou Matsuo3Tamaki Miyamoto4Katsunori Ikoma5Department of Rehabilitation Medicine, Graduate School of Medicine, Hokkaido University, Sapporo, JapanSendai Clover Clinic, Sendai, JapanDepartment of Physical Therapy, Hokkaido Bunkyo University, Eniwa, JapanHokkaido Medical Center, Sapporo, JapanDepartment of Psychiatry, Graduate School of Medicine, Hokkaido University, Sapporo, JapanDepartment of Rehabilitation Medicine, Graduate School of Medicine, Hokkaido University, Sapporo, JapanIn recent years, mirror visual feedback (MVF) therapy combined with electrical stimulation (ES) have been proposed for patients with hemiparesis. However, the neurophysiological effect remains unknown. We investigated the effects of MVF by itself and along with electromyogram-triggered ES (ETES) on hemodynamic responses using functional near-infrared spectroscopy (NIRS). Eighteen healthy subjects participated in this study. We measured changes in brain oxygenation using 48 NIRS channels. We investigated the effects of three main factors of visual feedback (observation of a mark, right hand, and hand movements via mirror) with or without ES on bilateral precentral gyrus (PrG), postcentral gyrus (PoG), supplementary motor area (SMA), supramarginal gyrus area (SMG), and angular gyrus (AG) to determine the contribution of each factor. The results showed that the left PoG was significantly more activated when performing mirrored tasks (MT) than when performing circle or Right-hand Tasks (RTs). In addition, the right PoG and right SMA in MT were significantly more activated than in MT + ES cases. Our findings suggested that observation of movements through the mirror caused activation of the postcentral gyrus rather than the PrG, and MVF along with ETES decreased cortical activation.https://www.frontiersin.org/article/10.3389/fnhum.2019.00060/fullnear-infrared spectroscopypostcentral gyruselectric stimulationmirror visual feedbackelectromyogram |
| spellingShingle | Yuji Inagaki Kazunori Seki Hitoshi Makino Yuichirou Matsuo Tamaki Miyamoto Katsunori Ikoma Exploring Hemodynamic Responses Using Mirror Visual Feedback With Electromyogram-Triggered Stimulation and Functional Near-Infrared Spectroscopy Frontiers in Human Neuroscience near-infrared spectroscopy postcentral gyrus electric stimulation mirror visual feedback electromyogram |
| title | Exploring Hemodynamic Responses Using Mirror Visual Feedback With Electromyogram-Triggered Stimulation and Functional Near-Infrared Spectroscopy |
| title_full | Exploring Hemodynamic Responses Using Mirror Visual Feedback With Electromyogram-Triggered Stimulation and Functional Near-Infrared Spectroscopy |
| title_fullStr | Exploring Hemodynamic Responses Using Mirror Visual Feedback With Electromyogram-Triggered Stimulation and Functional Near-Infrared Spectroscopy |
| title_full_unstemmed | Exploring Hemodynamic Responses Using Mirror Visual Feedback With Electromyogram-Triggered Stimulation and Functional Near-Infrared Spectroscopy |
| title_short | Exploring Hemodynamic Responses Using Mirror Visual Feedback With Electromyogram-Triggered Stimulation and Functional Near-Infrared Spectroscopy |
| title_sort | exploring hemodynamic responses using mirror visual feedback with electromyogram triggered stimulation and functional near infrared spectroscopy |
| topic | near-infrared spectroscopy postcentral gyrus electric stimulation mirror visual feedback electromyogram |
| url | https://www.frontiersin.org/article/10.3389/fnhum.2019.00060/full |
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