Zhang Xiangtong (1933-)
Zhang Xiangtong is a native of Zhengding County, Hebei Province. He graduated from the Psychology Department at Beijing University in 1933 and received a doctorate from the Physiology Department of Yale University USA, Connecticut, New Haven. Zhang was the first to propose the idea of pallium motor areas representing muscles. According to his analysis of the induced potential on the vision cortex, Zhang introduced the three-color conduction theory in vision passage. His discovery, « Light Intensification » phenomenon, was named the « Zhang Effect » by the global physiological circle. Zhang was the first to discover tab potential and he engaged in research on using acupuncture to ease pain. The mechanism that allowed acupuncture to ease pain was the result of an interaction by two series of feelings introduced into the central nervous system. Zhang is an academician of the Chinese Academy of Sciences and the Honorable Dean of Shanghai Brain Research Institute.