• Neuroscience · Mar 2014

    Comparative Study

    Motor execution and motor imagery: a comparison of functional connectivity patterns based on graph theory.

    • L Xu, H Zhang, M Hui, Z Long, Z Jin, Y Liu, and L Yao.
    • College of Information Science and Technology, Beijing Normal University, Beijing 100875, China.
    • Neuroscience. 2014 Mar 7;261:184-94.

    AbstractMotor execution and imagery (ME and MI), as the basic abilities of human beings, have been considered to be effective strategies in motor skill learning and motor abilities rehabilitation. Neuroimaging studies have revealed several critical regions from functional activation for ME as well as MI. Recently, investigations have probed into functional connectivity of ME; however, few explorations compared the functional connectivity between the two tasks. With betweenness centrality (BC) of graph theory, we explored and compared the functional connectivity between two finger tapping tasks of ME and MI. Our results showed that using BC, the key node for the ME task mainly focused on the supplementary motor area, while the key node for the MI task mainly located in the right premotor area. These results characterized the connectivity patterns of ME and MI and may provide new insights into the neural mechanism underlying motor execution and imagination of movements.Copyright © 2013 IBRO. Published by Elsevier Ltd. All rights reserved.

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