期刊
NEUROSCIENCE LETTERS
卷 328, 期 2, 页码 89-92出版社
ELSEVIER SCI IRELAND LTD
DOI: 10.1016/S0304-3940(02)00499-8
关键词
synchronization; interlimb coordination; electroencephalography
Moving the upper limbs at a common tempo according to an in-phase or anti-phase mode represents elementary coordination dynamics. Previously, the role of the supplementary motor area (SMA) has been emphasized for successful production of these patterns. The objective of this study was to investigate whether repetitive transcranial magnetic stimulation (rTMS) of the SMA at 5 Hz can interfere with these isofrequency configurations in the post-stimulation stage. Results showed a deterioration of temporal control as a function of coordinative complexity. This effect was associated with a decrease in the functional coupling between the primary motor cortices, as measured by electroencephalographic coherence. These data suggest that rTMS of the SMA can modify interhemispheric communication and accordingly modulate interlimb behavior. (C) 2002 Published by Elsevier Science Ireland Ltd.
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