| Autor: |
Fukuda, Hiroshi, Odagaki, Masato, Hiwaki, Osamu, Kodabashi, Atsushi, Fujimoto, Toshiro |
| Předmět: |
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| Zdroj: |
Journal of Applied Physics; Apr2009, Vol. 105 Issue 7, p07B313-07B316, 3p, 2 Black and White Photographs, 2 Diagrams, 1 Graph |
| Abstrakt: |
Using magnetoencephalography (MEG), brain regions involved in an alternate bimanual tapping task by index fingers triggered with spontaneous timing were investigated. The tapping mode in which both index fingers moved simultaneously was interlaced during the task. The groups of the alternate tapping (AL mode) and the simultaneous tapping (SI mode) were extracted from the successive alternating taps with a histogram of intervals between the right and left index fingers. MEG signals in each mode were averaged separately before and after the tapping initiation of the dominant index finger. The activities of the contralateral sensorimotor cortex before and after the tapping initiation in the AL mode were larger than that in the SI mode. The result indicates that the activity of the contralateral sensorimotor cortex depends on the degree of achievement in the difficult motor task such as the voluntary alternate tapping movements. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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