Guangxi Key Laboratory of Brain and Cognitive Neuroscience;
Guilin Medical University;
Guilin;
Guangxi 541199;
China;
Yunnan Key Laboratory of Primate Biomedicine Research;
Institute of Primate Translational Medicine;
Kunming University of Science and Technology;
Kunming;
Yunnan 650500;
China;
Non-human primates; Attention; Snake; Evolutionary relevance;