About the Authors

Michelle R. Allen-Sharpley

Affiliation Department of Neurobiology and Behavior, University of California Irvine, Irvine, California, United States of America

Michelle Tjia

Affiliation Department of Neurobiology and Behavior, University of California Irvine, Irvine, California, United States of America

Karina S. Cramer

cramerk@uci.edu

Affiliation Department of Neurobiology and Behavior, University of California Irvine, Irvine, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KSC MRA-S. Performed the experiments: MRA-S MT. Analyzed the data: MRA-S MT KSC. Wrote the manuscript: MRA-S KSC.