About the Authors
School of Psychology, Perception Lab, University of St Andrews, St Andrews, Fife, Scotland
School of Medicine, University of St Andrews, St Andrews, Fife, Scotland
The authors have read the journal's policy and have the following conflicts: This research was supported by the corporation Unilever Research and Development USA (http://www.unileverusa.com/innovation/innovationinunilever/research-dev/). The authors have no further relevant declarations relating to employment, consultancy, patents, products in developments or marketed products. These sources of funding do not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.
Conceived and designed the experiments: RDW DR DX DIP. Performed the experiments: RDW DR. Analyzed the data: RDW DR DIP. Contributed reagents/materials/analysis tools: DX. Wrote the paper: RDW DR GO DIP.