About the Authors

Haoran Wang

haoranw@psych.toronto.edu (HW); yeomans@psych.toronto.edu (JY)

Affiliation Department of Psychology, Center for Biological Timing and Cognition (CTBC), University of Toronto, Toronto, Canada

Shuyin Liang

Affiliation Department of Psychology, Center for Biological Timing and Cognition (CTBC), University of Toronto, Toronto, Canada

Jeffrey Burgdorf

Affiliation Falk Center for Molecular Therapeutics, Northwestern University, Evanston, Illinois, United States of America

Jurgen Wess

Affiliation Molecular Signaling, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health, Bethesda, Maryland, United States of America

John Yeomans

haoranw@psych.toronto.edu (HW); yeomans@psych.toronto.edu (JY)

Affiliation Department of Psychology, Center for Biological Timing and Cognition (CTBC), University of Toronto, Toronto, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HW JB JY. Performed the experiments: HW SL. Analyzed the data: HW SL. Contributed reagents/materials/analysis tools: JW JY. Wrote the paper: HW JY. Other: Read the paper and gave good comments: SL. Read the paper and gave excellent comments: JW JB. Technical instruction: JB.