About the Authors

Jeffrey D. Fitzgerald

Affiliations Computational Neurobiology Laboratory, The Salk Institute for Biological Studies, La Jolla, California, United States of America, Center for Theoretical Biological Physics and Department of Physics, University of California, San Diego, La Jolla, California, United States of America

Lawrence C. Sincich

Affiliation Beckman Vision Center, University of California, San Francisco, San Francisco, California, United States of America

Tatyana O. Sharpee

sharpee@salk.edu

Affiliations Computational Neurobiology Laboratory, The Salk Institute for Biological Studies, La Jolla, California, United States of America, Center for Theoretical Biological Physics and Department of Physics, University of California, San Diego, La Jolla, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JDF LCS TOS. Performed the experiments: LCS. Analyzed the data: JDF TOS. Wrote the paper: JDF LCS TOS.