About the Authors

Karl J. Friston

k.friston@fil.ion.ucl.ac.uk

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

Jean Daunizeau

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

Stefan J. Kiebel

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KJF JD SJK. Performed the experiments: KJF. Analyzed the data: KJF. Contributed reagents/materials/analysis tools: KJF JD SJK. Wrote the paper: KJF.