About the Authors

Jane W. Behrens

jabeh@aqua.dtu.dk

Affiliation National Institute of Aquatic Resources, Technical University of Denmark, Charlottenlund, Denmark

Michael Axelsson

Affiliation Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden

Stefan Neuenfeldt

Affiliation National Institute of Aquatic Resources, Technical University of Denmark, Charlottenlund, Denmark

Henrik Seth

Affiliations Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden, Department of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden

Competing Interests

The study was financially supported by a post doc stipend [grant number 2008_01_0388] from the Carlsberg Foundation to Jane W. Behrens. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: JWB MA SN HS. Performed the experiments: JWB HS. Analyzed the data: JWB HS MA. Contributed reagents/materials/analysis tools: JWB MA. Wrote the paper: JWB HS MA SN.