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This study is purposed to understand the connectivity of cerebral cortex, especially the spatio-temporal pattern of movement. Functional magnetic resonance imaging during finger movement was used to extract networks connecting correlated cortex areas. Motor cortex networks were constructed with activation areas obtained with statistical analysis, and linking strength was obtained by calculating the correlation coefficients of fMRI time series. The equivalent non-motor cortex networks were constructed with certain distance rules. Analysis of the networks shows that the graphic and dynamical measures of motor cortex networks and non-motor cortex networks are significantly different, the motor cortex networks are more compact and have high statistical independence and integration than the non-motor cortex networks.
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