supported by the National Natural Science Foundation of China (Grant Nos.30128005,30170325 and 30070250);the State Key Basic Research and Development Progrom(Grant No.G1999054000);the Technology Fund from the Ministry of Education of China (Grant No.20010284021)
Whether the secondary motor areas are involved in simple voluntary movements remains controversial. Differences in the neural substrates of movements with the dominant and the non-dominant hands have not been well doc...