| Records |
| Author |
Frenkel-Toledo, S.; Bentin, S.; Perry, A.; Liebermann, D.G.; Soroker, N. |
| Title |
Dynamics of the EEG Power in the Frequency and Spatial Domains During Observation and Execution of Manual Movements |
Type |
Journal Article |
| Year |
2013 |
Publication |
Brain Research |
Abbreviated Journal |
Brain Res |
| Volume |
1509 |
Issue |
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Pages |
43-57 |
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| Abstract |
Mu suppression is the attenuation of EEG power in the alpha frequency range (8-12Hz) while executing or observing a motor action. Whereas typically observed at central scalp sites, there are diverging reports about the extent of the attenuation over the cortical mantle, its exact frequency range and the specificity of this phenomenon. We investigated the modulation of EEG oscillations in frequency-bands from 4 to 12Hz at frontal, central, parietal and occipital sites during the execution of manual movements and during observation of similar actions from allocentric (i.e., facing the actor) and egocentric (i.e., seeing the actor from behind) viewpoints. Suppression was determined relative to observation of a non-biological movement. Action observation elicited greater suppression in the lower (8-10Hz) compared to the higher mu range (10-12Hz), and greater suppression in the entire 4-12Hz range at frontal and central sites compared to parietal and occipital sites. In addition, suppression tended to be greater during observation of a motor action from allocentric compared to egocentric viewpoints. During execution of movement, suppression of the EEG occurred primarily in the higher alpha range and was absent at occipital sites. In the theta range (4-8Hz), the EEG amplitude was suppressed during action observation and execution. The results suggest a functional distinction between modulation of mu and alpha rhythms, and between the higher and lower ranges of the mu rhythms. The activity of the presumed human mirror neuron system seems primarily evident in the lower mu range and in the theta range. |
| Address |
Sackler Faculty of Medicine, Tel Aviv University, Israel; Department of Neurological Rehabilitation, Loewenstein Hospital, Raanana, Israel. Electronic address: silvi197@bezeqint.net |
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English |
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0006-8993 |
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PMID:23500633 |
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no |
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68 |
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| Author |
Liebermann, D.G.; Franks, I. M. |
| Title |
The use of feedback-based technologies in skill acquisition |
Type |
Book Chapter |
| Year |
2004 |
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Notational analysis of Sport and Coaching Science |
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E & FN Spon Pub |
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M. Hughes; I.M. Franks |
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45 |
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| Author |
Carmeli E.; Liebermann, D.G. |
| Title |
The Function of the Aging Hand |
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Book Chapter |
| Year |
2007 |
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The Geriatric Rehabilitation Manual |
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Elsevier |
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NY |
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T. L. Kauffman; M. Moran; J. Barr |
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46 |
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Liebermann, D.G.; Franks I.M. |
| Title |
Video-feedback and information technologies |
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Book Chapter |
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2008 |
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Essentials of notational analysis |
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E & FN Spon Pub |
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I.M. Franks; M. Hughes |
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48 |
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| Author |
Goodman, D.; Liebermann, D.G. |
| Title |
Time-to-contact as a determiner of action: vision and motor control |
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| Year |
1992 |
Publication |
Vision and Motor Control |
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335-349 |
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Elsevier Pub. Co |
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Amsterdam, Holland |
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D. Elliott; J. Proteau |
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