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Here, we combined ERD\/ERS analysis with the dynamic networks in different MI stages (i.e. motor preparation, ERD and ERS) to probe the dynamic processing of MI information. Our results show that specific dynamic network structures correspond to the ERD\/ERS evolution patterns. Specifically, ERD mainly shows the contralateral networks, while ERS has the symmetric networks. Moreover, different dynamic network patterns are also revealed between the two types of MIs, in which the left-hand MIs exhibit a relatively less sustained contralateral network, which may be the network mechanism that accounts for the bilateral ERD\/ERS observed for the left-hand MIs. Similar to the network topologies, the three MI stages also appear to be characterized by different network properties. The above findings all demonstrate that different MI stages that involve specific brain networks for dynamically processing the MI information.<\/jats:p>","DOI":"10.1142\/s0129065718500168","type":"journal-article","created":{"date-parts":[[2018,4,12]],"date-time":"2018-04-12T02:20:42Z","timestamp":1523499642000},"page":"1850016","source":"Crossref","is-referenced-by-count":103,"title":["The Dynamic Brain Networks of Motor Imagery: Time-Varying Causality Analysis of Scalp EEG"],"prefix":"10.1142","volume":"29","author":[{"given":"Fali","family":"Li","sequence":"first","affiliation":[{"name":"The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Lab for Neuroinformation, University of Electronic Science and Technology of China, Chengdu 611731, P. R. 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