About the Authors

Stefan Wiens

sws@psychology.su.se

Affiliation Gösta Ekman Laboratory, Department of Psychology, Stockholm University, Stockholm, Sweden

Malina Szychowska

Affiliations Gösta Ekman Laboratory, Department of Psychology, Stockholm University, Stockholm, Sweden, Institute of Acoustics, Department of Physics, Adam Mickiewicz University, Poznan, Poland

Mats E. Nilsson

Affiliation Gösta Ekman Laboratory, Department of Psychology, Stockholm University, Stockholm, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SW MS MEN. Performed the experiments: MS. Analyzed the data: SW MS. Contributed reagents/materials/analysis tools: SW MS MEN. Wrote the paper: SW MS MEN.