Frequency-specific equivalence of brain activity on motor imagery during action observation and action execution
Human motor imagery (MI), action execution, and action observation (AO) are functionally considered as equivalent. MI during AO can extensively induce activation of motor-related brain network in the absence of overt movement. The magnetoencephalography (MEG) provides an important technology to reve...
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| Published in | International journal of neuroscience Vol. 131; no. 6; pp. 599 - 608 |
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| Main Authors | , , , , , , , |
| Format | Journal Article |
| Language | English |
| Published |
England
Taylor & Francis
03.06.2021
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| Subjects | |
| Online Access | Get full text |
| ISSN | 0020-7454 1563-5279 1543-5245 1563-5279 |
| DOI | 10.1080/00207454.2020.1750394 |
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| Abstract | Human motor imagery (MI), action execution, and action observation (AO) are functionally considered as equivalent. MI during AO can extensively induce activation of motor-related brain network in the absence of overt movement. The magnetoencephalography (MEG) provides an important technology to reveal and reflect human brain information processing in multi-frequency bands. Utilizing a MEG system, we aimed to quantitatively investigate the frequency-specific equivalent characteristics in brain processing patterns between MI during AO and action execution in multi-frequency bands, including delta, theta, alpha, beta, gamma, and high-frequency oscillations.
A total of 12 healthy subjects were studied with a whole-head MEG system during finger movement and MI during finger movement observation. We analyzed the brain activities in multi-frequency ranges of 1 Hz to 200 Hz.
Both MI during AO and action execution evoked the distinctive brain activities in low frequency ranges (i.e. delta, theta, and alpha). Significant differences were found in global spectral power between finger movement and MI during AO in delta and alpha oscillations. Compared with finger movement, delta (1-4 Hz) oscillation power in MI during AO were obviously decreased in left and right frontals and occipitals, and theta (4-8 Hz) and alpha (8-13 Hz) oscillation power were obviously increased in frontal, parietal and occipital.
MEG power evoked by finger movement and MI during AO is mainly concentrated in the energy distribution below 13 Hz. Furthermore, finger movement and MI during AO might share frequency-specific equivalence of brain neural activation dependent on different MEG frequency ranges. |
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| AbstractList | Human motor imagery (MI), action execution, and action observation (AO) are functionally considered as equivalent. MI during AO can extensively induce activation of motor-related brain network in the absence of overt movement. The magnetoencephalography (MEG) provides an important technology to reveal and reflect human brain information processing in multi-frequency bands. Utilizing a MEG system, we aimed to quantitatively investigate the frequency-specific equivalent characteristics in brain processing patterns between MI during AO and action execution in multi-frequency bands, including delta, theta, alpha, beta, gamma, and high-frequency oscillations.
A total of 12 healthy subjects were studied with a whole-head MEG system during finger movement and MI during finger movement observation. We analyzed the brain activities in multi-frequency ranges of 1 Hz to 200 Hz.
Both MI during AO and action execution evoked the distinctive brain activities in low frequency ranges (i.e. delta, theta, and alpha). Significant differences were found in global spectral power between finger movement and MI during AO in delta and alpha oscillations. Compared with finger movement, delta (1-4 Hz) oscillation power in MI during AO were obviously decreased in left and right frontals and occipitals, and theta (4-8 Hz) and alpha (8-13 Hz) oscillation power were obviously increased in frontal, parietal and occipital.
MEG power evoked by finger movement and MI during AO is mainly concentrated in the energy distribution below 13 Hz. Furthermore, finger movement and MI during AO might share frequency-specific equivalence of brain neural activation dependent on different MEG frequency ranges. Human motor imagery (MI), action execution, and action observation (AO) are functionally considered as equivalent. MI during AO can extensively induce activation of motor-related brain network in the absence of overt movement. The magnetoencephalography (MEG) provides an important technology to reveal and reflect human brain information processing in multi-frequency bands. Utilizing a MEG system, we aimed to quantitatively investigate the frequency-specific equivalent characteristics in brain processing patterns between MI during AO and action execution in multi-frequency bands, including delta, theta, alpha, beta, gamma, and high-frequency oscillations.BACKGROUNDHuman motor imagery (MI), action execution, and action observation (AO) are functionally considered as equivalent. MI during AO can extensively induce activation of motor-related brain network in the absence of overt movement. The magnetoencephalography (MEG) provides an important technology to reveal and reflect human brain information processing in multi-frequency bands. Utilizing a MEG system, we aimed to quantitatively investigate the frequency-specific equivalent characteristics in brain processing patterns between MI during AO and action execution in multi-frequency bands, including delta, theta, alpha, beta, gamma, and high-frequency oscillations.A total of 12 healthy subjects were studied with a whole-head MEG system during finger movement and MI during finger movement observation. We analyzed the brain activities in multi-frequency ranges of 1 Hz to 200 Hz.METHODSA total of 12 healthy subjects were studied with a whole-head MEG system during finger movement and MI during finger movement observation. We analyzed the brain activities in multi-frequency ranges of 1 Hz to 200 Hz.Both MI during AO and action execution evoked the distinctive brain activities in low frequency ranges (i.e. delta, theta, and alpha). Significant differences were found in global spectral power between finger movement and MI during AO in delta and alpha oscillations. Compared with finger movement, delta (1-4 Hz) oscillation power in MI during AO were obviously decreased in left and right frontals and occipitals, and theta (4-8 Hz) and alpha (8-13 Hz) oscillation power were obviously increased in frontal, parietal and occipital.RESULTSBoth MI during AO and action execution evoked the distinctive brain activities in low frequency ranges (i.e. delta, theta, and alpha). Significant differences were found in global spectral power between finger movement and MI during AO in delta and alpha oscillations. Compared with finger movement, delta (1-4 Hz) oscillation power in MI during AO were obviously decreased in left and right frontals and occipitals, and theta (4-8 Hz) and alpha (8-13 Hz) oscillation power were obviously increased in frontal, parietal and occipital.MEG power evoked by finger movement and MI during AO is mainly concentrated in the energy distribution below 13 Hz. Furthermore, finger movement and MI during AO might share frequency-specific equivalence of brain neural activation dependent on different MEG frequency ranges.CONCLUSIONMEG power evoked by finger movement and MI during AO is mainly concentrated in the energy distribution below 13 Hz. Furthermore, finger movement and MI during AO might share frequency-specific equivalence of brain neural activation dependent on different MEG frequency ranges. |
| Author | Hu, Xinhua Yang, Kun Kan, Wenwu Zou, Yuanjie Liu, Yong Chen, Jiu Wu, Ting Liu, Hongyi |
| Author_xml | – sequence: 1 givenname: Jiu surname: Chen fullname: Chen, Jiu organization: Institute of Brain Functional Imaging, Nanjing Medical University – sequence: 2 givenname: Wenwu surname: Kan fullname: Kan, Wenwu organization: Department of Neurosurgery, The Affiliated Brain Hospital of Nanjing Medical University – sequence: 3 givenname: Yong surname: Liu fullname: Liu, Yong organization: Department of Neurosurgery, The Affiliated Brain Hospital of Nanjing Medical University – sequence: 4 givenname: Xinhua surname: Hu fullname: Hu, Xinhua organization: Department of Neurosurgery, The Affiliated Brain Hospital of Nanjing Medical University – sequence: 5 givenname: Ting surname: Wu fullname: Wu, Ting organization: MEG Center, The Affiliated Brain Hospital of Nanjing Medical University – sequence: 6 givenname: Yuanjie surname: Zou fullname: Zou, Yuanjie organization: Department of Neurosurgery, The Affiliated Brain Hospital of Nanjing Medical University – sequence: 7 givenname: Hongyi surname: Liu fullname: Liu, Hongyi organization: Department of Neurosurgery, The Affiliated Brain Hospital of Nanjing Medical University – sequence: 8 givenname: Kun surname: Yang fullname: Yang, Kun organization: Department of Neurosurgery, The Affiliated Brain Hospital of Nanjing Medical University |
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| SubjectTerms | action execution action observation Adult Brain activity Brain Waves - physiology Female Fingers - physiology Humans Imagination - physiology Magnetoencephalography Male Motor Activity - physiology motor imagery multi-frequency MEG Visual Perception - physiology Young Adult |
| Title | Frequency-specific equivalence of brain activity on motor imagery during action observation and action execution |
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