[1] Wellcome Department of Imaging Neuroscience, University College London, London WC1N 3BG, United Kingdom
[2] Department of Cortical Function Disorders, National Center of Neurology and Psychiatry, Tokyo 187-8502, Japan
[3] Human Brain Research Center, Kyoto University, Kyoto 606-8507, Japan
[4] Max Planck Institute for Biological Cybernetics, 72076 Tübingen, Germany
[5] Centre for Functional Magnetic Resonance Imaging of the Brain, University of Oxford, Oxford 0X3 9DU, United Kingdom
[6] Department of Psychology, University College London, London WC1E 6BT, United Kingdom