About the Authors

Timo Ruusuvirta

timo.ruusuvirta@utu.fi.

Affiliations Department of Psychology, University of Turku, Turku, Finland, Centre for Learning Research, University of Turku, Turku, Finland

Arto Lipponen

Affiliation Department of Neurobiology, AIV Institute, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland

Eeva Pellinen

Affiliation Department of Psychology, University of Jyväskylä, Jyväskylä, Finland

Markku Penttonen

Affiliation Department of Psychology, University of Jyväskylä, Jyväskylä, Finland

Piia Astikainen

Affiliation Department of Psychology, University of Jyväskylä, Jyväskylä, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PA TR. Performed the experiments: AL. Analyzed the data: EP TR. Contributed reagents/materials/analysis tools: MP AL. Wrote the paper: TR EP MP AL PA.