About the Authors

Mkael Symmonds

Contributed equally to this work with: Mkael Symmonds, Julian J. Emmanuel

mkael@doctors.org.uk

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

Julian J. Emmanuel

Contributed equally to this work with: Mkael Symmonds, Julian J. Emmanuel

Affiliation UCL Division of Medicine, Department of Metabolism and Experimental Therapeutics, University College London, London, United Kingdom

Megan E. Drew

Affiliation UCL Division of Medicine, Department of Metabolism and Experimental Therapeutics, University College London, London, United Kingdom

Rachel L. Batterham

Affiliation UCL Division of Medicine, Department of Metabolism and Experimental Therapeutics, University College London, London, United Kingdom

Raymond J. Dolan

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MS RLB RJD. Performed the experiments: MS JE. Analyzed the data: MS JE. Contributed reagents/materials/analysis tools: MS JE MD RLB RJD. Wrote the paper: MS JE RLB RJD.