中文摘要：

Qiang Wu received the B.E. degree in computer science from Liaocheng University, China in 2002. He received the M.E. degree in com- puter science from Shandong Uni- versity （SJTU）, China in 2005. He is currently a Ph.D. candidate of Department of Computer Science and Engineering, SJTU, Shanghai, China. His research interests include speech signal processing, brain-computer interface, machine learning, neuroscience. Li-Qing Zhang received the Ph.D. degree from Zhongshan Uni- versity, Guangzhou, China, in 1988. He was promoted to full professor po- sition in 1995 at South China Uni- versity of Technology. He worked as a research scientist in RIKEN Brain Science Institute, Japan from 1997 to 2002. He is now a professor with De- partment of Computer Science and Engineering, SJTU. His current research interests cover com- putational theory for cortical networks, brain signal process- ing and brain-computer interface, perception and cognition computing model, statistical learning and inference. He has published more than 160 papers in international journals and conferences. Guang-Chuan Shi received the B.E. degree in computer science and engineering from SJTU, in 2008. He is currently an M.E. candidate of SJTU. His research interests include signal processing and percep- tual computation.