About the Authors

Timothy South

Contributed equally to this work with: Timothy South, Nathan M. Holmes

Affiliation Department of Pharmacology, School of Medical Sciences, University of New South Wales, Sydney, Australia

Nathan M. Holmes

Contributed equally to this work with: Timothy South, Nathan M. Holmes

Affiliation Department of Psychology, University of New South Wales, Sydney, Australia

Sarah I. Martire

Affiliation Department of Psychology, University of New South Wales, Sydney, Australia

R. Frederick Westbrook

Affiliation Department of Psychology, University of New South Wales, Sydney, Australia

Margaret J. Morris

m.morris@unsw.edu.au

Affiliation Department of Pharmacology, School of Medical Sciences, University of New South Wales, Sydney, Australia

Competing Interests

Fred Westbrook has served as an academic editor for PLOS ONE. Note that this does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: RFW MJM. Performed the experiments: TS SIM. Analyzed the data: NMH TS. Wrote the manuscript: TS NMH RFW MJM. Read and approved the final manuscript: TS NMH SIM RFW MJM. Other: TS and NMH.