About the Authors

Jia Li

normilee@gmail.com (JL); xz104@pku.edu.cn (XZ)

Affiliations Research Center for Learning Science and Key Laboratory of Child Development and Learning Science (Ministry of Education), Southeast University, Nanjing, China, Center for Brain and Cognitive Sciences and Department of Psychology, Peking University, Beijing, China

Xiaolin Zhou

normilee@gmail.com (JL); xz104@pku.edu.cn (XZ)

Affiliations Center for Brain and Cognitive Sciences and Department of Psychology, Peking University, Beijing, China, Key Laboratory of Machine Perception (Ministry of Education), Peking University, Beijing, China, PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Performed the experiments: JL. Analyzed the data: JL. Contributed reagents/materials/analysis tools: JL XZ. Wrote the paper: JL XZ.