This work was supported by grants (No. 71502047, 31600931, and 71171062) from the National Natural Science Foundation of China, a grant (No. 2017A030310466) from the Natural Science Foundation of Guangdong Province, a grant from Academy of Neuroeconomics and Neuromanagement at Ningbo University, a grant (No. 17ZS0236) from Doctoral Startup Fund of Guangdong University of Technology, and a grant (No. HCIC201605) from Guangxi Key Laboratory of Hybrid Computation and IC Design Analysis Open Fund.