Monitoring Local Regional Hemodynamic Signal Changes during Motor Execution and Motor Imagery Using Near-Infrared Spectroscopy
The aim of this study was to clarify the topographical localization of motor-related regional hemodynamic signal changes during motor execution (ME) and motor imagery (MI) by using near-infrared spectroscopy (NIRS), as this technique is more clinically expedient than established methods (e.g. fMRI)....
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2016-01-01
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| Series: | Frontiers in Physiology |
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| Online Access: | http://journal.frontiersin.org/Journal/10.3389/fphys.2015.00416/full |
| _version_ | 1819095397522472960 |
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| author | Naoki eIso Naoki eIso Takefumi eMoriuchi Takefumi eMoriuchi Akira eSagari Akira eSagari Eiji eKitajima Fumiko eIso Koji eTanaka Yasuki eKikuchi Takayuki eTabira Toshio eHigashi |
| author_facet | Naoki eIso Naoki eIso Takefumi eMoriuchi Takefumi eMoriuchi Akira eSagari Akira eSagari Eiji eKitajima Fumiko eIso Koji eTanaka Yasuki eKikuchi Takayuki eTabira Toshio eHigashi |
| author_sort | Naoki eIso |
| collection | DOAJ |
| description | The aim of this study was to clarify the topographical localization of motor-related regional hemodynamic signal changes during motor execution (ME) and motor imagery (MI) by using near-infrared spectroscopy (NIRS), as this technique is more clinically expedient than established methods (e.g. fMRI). Twenty right-handed healthy subjects participated in this study. The experimental protocol was a blocked design consisting of 3 cycles of 20 s of task performance and 30 s of rest. The tapping sequence task was performed with their fingers under 4 conditions: ME and MI with the right or left hand. Hemodynamic brain activity was measured with NIRS to monitor changes in oxygenated hemoglobin (oxy-Hb) concentration. Oxy-Hb in the somatosensory motor cortex (SMC) increased significantly only during contralateral ME and showed a significant interaction between task and hand. There was a main effect of hand in the left SMC. Although there were no significant main effects or interactions in the supplemental motor area (SMA) and premotor area (PMA), oxy-Hb increased substantially under all conditions. These results clarified the topographical localization by motor-related regional hemodynamic signal changes during ME and MI by using NIRS. |
| first_indexed | 2024-12-21T23:42:39Z |
| format | Article |
| id | doaj.art-614c811f87184944927fe1faf2e4663e |
| institution | Directory Open Access Journal |
| issn | 1664-042X |
| language | English |
| last_indexed | 2024-12-21T23:42:39Z |
| publishDate | 2016-01-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Physiology |
| spelling | doaj.art-614c811f87184944927fe1faf2e4663e2022-12-21T18:46:11ZengFrontiers Media S.A.Frontiers in Physiology1664-042X2016-01-01610.3389/fphys.2015.00416165588Monitoring Local Regional Hemodynamic Signal Changes during Motor Execution and Motor Imagery Using Near-Infrared SpectroscopyNaoki eIso0Naoki eIso1Takefumi eMoriuchi2Takefumi eMoriuchi3Akira eSagari4Akira eSagari5Eiji eKitajima6Fumiko eIso7Koji eTanaka8Yasuki eKikuchi9Takayuki eTabira10Toshio eHigashi11Nagasaki University Graduate School of Biomedical SciencesMedical Corporation Toujinkai Miharadai HospitalNagasaki University Graduate School of Biomedical SciencesMedical Corporation Toujinkai Miharadai HospitalNagasaki University Graduate School of Biomedical SciencesJapanese Red Cross Society Nagasaki Genbaku HospitalNagasaki UniversityNagasaki University Graduate School of Biomedical SciencesNagasaki University Graduate School of Biomedical SciencesNagasaki University Graduate School of Biomedical SciencesFaculty of Rehabilitation Sciences, Nishikyushu UniversityNagasaki University Graduate School of Biomedical SciencesThe aim of this study was to clarify the topographical localization of motor-related regional hemodynamic signal changes during motor execution (ME) and motor imagery (MI) by using near-infrared spectroscopy (NIRS), as this technique is more clinically expedient than established methods (e.g. fMRI). Twenty right-handed healthy subjects participated in this study. The experimental protocol was a blocked design consisting of 3 cycles of 20 s of task performance and 30 s of rest. The tapping sequence task was performed with their fingers under 4 conditions: ME and MI with the right or left hand. Hemodynamic brain activity was measured with NIRS to monitor changes in oxygenated hemoglobin (oxy-Hb) concentration. Oxy-Hb in the somatosensory motor cortex (SMC) increased significantly only during contralateral ME and showed a significant interaction between task and hand. There was a main effect of hand in the left SMC. Although there were no significant main effects or interactions in the supplemental motor area (SMA) and premotor area (PMA), oxy-Hb increased substantially under all conditions. These results clarified the topographical localization by motor-related regional hemodynamic signal changes during ME and MI by using NIRS.http://journal.frontiersin.org/Journal/10.3389/fphys.2015.00416/fullNIRSMotor Imagerymotor executionMental Practicehemodynamic signal changes |
| spellingShingle | Naoki eIso Naoki eIso Takefumi eMoriuchi Takefumi eMoriuchi Akira eSagari Akira eSagari Eiji eKitajima Fumiko eIso Koji eTanaka Yasuki eKikuchi Takayuki eTabira Toshio eHigashi Monitoring Local Regional Hemodynamic Signal Changes during Motor Execution and Motor Imagery Using Near-Infrared Spectroscopy Frontiers in Physiology NIRS Motor Imagery motor execution Mental Practice hemodynamic signal changes |
| title | Monitoring Local Regional Hemodynamic Signal Changes during Motor Execution and Motor Imagery Using Near-Infrared Spectroscopy |
| title_full | Monitoring Local Regional Hemodynamic Signal Changes during Motor Execution and Motor Imagery Using Near-Infrared Spectroscopy |
| title_fullStr | Monitoring Local Regional Hemodynamic Signal Changes during Motor Execution and Motor Imagery Using Near-Infrared Spectroscopy |
| title_full_unstemmed | Monitoring Local Regional Hemodynamic Signal Changes during Motor Execution and Motor Imagery Using Near-Infrared Spectroscopy |
| title_short | Monitoring Local Regional Hemodynamic Signal Changes during Motor Execution and Motor Imagery Using Near-Infrared Spectroscopy |
| title_sort | monitoring local regional hemodynamic signal changes during motor execution and motor imagery using near infrared spectroscopy |
| topic | NIRS Motor Imagery motor execution Mental Practice hemodynamic signal changes |
| url | http://journal.frontiersin.org/Journal/10.3389/fphys.2015.00416/full |
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