About the Authors

Marcio Melo

marciomelo@me.com

Affiliation Laboratory of Medical Informatics (LIM 01), Faculty of Medicine of the University of São Paulo, São Paulo, Brazil

Daniel J. Scarpin

Affiliation Laboratory of Medical Informatics (LIM 01), Faculty of Medicine of the University of São Paulo, São Paulo, Brazil

Edson Amaro Jr

Affiliation Department and Institute of Radiology (LIM 44), Faculty of Medicine of the University of São Paulo, São Paulo, Brazil

Rodrigo B. D. Passos

Affiliation Department and Institute of Radiology (LIM 44), Faculty of Medicine of the University of São Paulo, São Paulo, Brazil

João R. Sato

Affiliations Department and Institute of Radiology (LIM 44), Faculty of Medicine of the University of São Paulo, São Paulo, Brazil, Center for Mathematics, Computation and Cognition, Federal University of ABC, Santo André, Brazil

Karl J. Friston

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

Cathy J. Price

Affiliation 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: MM DJS EA RBDP KJF CJP. Performed the experiments: MM. Analyzed the data: MM CJP JRS EA KJF. Contributed reagents/materials/analysis tools: KJF. Wrote the paper: MM KJF CJP. Development of the conceptual model: MM. Creation of the stimuli (radiological images): DJS RBDP MM.