About the Authors

Taomei Guo

Affiliation State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, People's Republic of China

Min Chen

Affiliation State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, People's Republic of China

Danling Peng

pdl3507@bnu.edu.cn

Affiliation State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TG MC DP. Performed the experiments: MC. Analyzed the data: TG MC. Contributed reagents/materials/analysis tools: TG MC. Wrote the paper: TG MC DP.