About the Authors

Jari K. Hietanen

jari.hietanen@uta.fi

Affiliation Human Information Processing Laboratory, School of Social Sciences and Humanities, University of Tampere, Tampere, Finland

Lauri Nummenmaa

Affiliations Brain Research Unit, Low Temperature Laboratory, Aalto University School of Science and Technology, Espoo, Finland, Department of Biomedical Engineering and Computational Science, Aalto University School of Science and Technology, Espoo, Finland, Turku PET Centre, University of Turku, Turku, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JKH LN. Performed the experiments: JKH LN. Analyzed the data: JKH LN. Contributed reagents/materials/analysis tools: JKH LN. Wrote the paper: JKH LN.