About the Authors

Rosalyn J. Moran

r.moran@fil.ion.ucl.ac.uk

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

Nicolas Mallet

Affiliation Medical Research Council Anatomical Neuropharmacology Unit and Oxford Parkinson's Disease Centre, University of Oxford, Oxford, United Kingdom

Vladimir Litvak

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

Raymond J. Dolan

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

Peter J. Magill

Affiliation Medical Research Council Anatomical Neuropharmacology Unit and Oxford Parkinson's Disease Centre, University of Oxford, Oxford, United Kingdom

Karl J. Friston

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

Peter Brown

Affiliation Department of Clinical Neurology, University of Oxford, Oxford, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NM PJM PB. Performed the experiments: NM PJM. Analyzed the data: RJM VL PJB RJD KJF PB. Contributed reagents/materials/analysis tools: RJM KJF. Wrote the paper: RJM NM VL RJD PJM KJF PB.