About the Authors

Sigeng Chen

Affiliation The Neurosciences Institute, San Diego, California, United States of America

Geoffrey C. Owens

Affiliation The Neurosciences Institute, San Diego, California, United States of America

David B. Edelman

david_edelman@nsi.edu

Affiliation The Neurosciences Institute, San Diego, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SC GCO DBE. Performed the experiments: SC. Analyzed the data: SC. Wrote the paper: SC GCO DBE.