Wuhan Institute for Neuroscience and Neuroengineering South-Central University for Nationalities Wuhan 430074 China;
Department of Neurobiology The College of Life Sciences South-Central University for Nationalities Wuhan 430074 China;
ultraweak biophoton imaging system(UBIS); norepinephrine(NE)andγ-aminobutyric acid(GABA);