About the Authors

Tamara Shiner

tamarashiner@gmail.com

Affiliation Wellcome Trust Centre for Neuroimaging, University College London, London, United Kingdom

Ben Seymour

Affiliations Wellcome Trust Centre for Neuroimaging, University College London, London, United Kingdom, Department of Clinical Neurology, Cambridge University, Cambridge, United Kingdom

Mkael Symmonds

Affiliation Wellcome Trust Centre for Neuroimaging, University College London, London, United Kingdom

Peter Dayan

Affiliation Gatsby Computational Neuroscience Unit, University College London, London, United Kingdom

Kailash P. Bhatia

Affiliation Sobell Department of Motor Neuroscience and Movement Disorders, University College London, London, United Kingdom

Raymond J. Dolan

Affiliation Wellcome Trust Centre for Neuroimaging, University College London, London, United Kingdom

Competing Interests

The authors have the following competing interests: KP Bhatia received funding for travel from GlaxoSmithKline, Orion Corporation, Ipsen, and Merz Pharmaceuticals, LLC; serves on the editorial boards of Movement Disorders and Therapeutic Advances in Neurological Disorders; receives royalties from the publication of Oxford Specialist Handbook of Parkinson’s Disease and Other Movement Disorders (Oxford University Press, 2008); received speaker honoraria from GlaxoSmithKline, Ipsen, Merz Pharmaceuticals, LLC, and Sun Pharmaceutical Industries Ltd.; personal compensation for scientific advisory board for GSK and Boehringer Ingelheim; received research support from Ipsen. There are no patents, products in development or marketed products to declare. 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: TS BS PD. Performed the experiments: TS. Analyzed the data: TS BS MS. Wrote the paper: TS BS MS PD KB RD.