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Additional Information

Competing Interests

The authors declare they have no competing interests.

Author Contributions

Eva-Maria Kobak conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper.

Simone Cardoso de Oliveira conceived and designed the experiments, wrote the paper.

Human Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

1. Ethics Committee of the University of Freiburg 2. Approval number: 187/05

Grant Disclosures

The following grant information was disclosed by the authors:

German Federal Ministry of Education and Research BMBF 01GQ0420, BMBF 01GQ0830


This project was partially supported by the German Federal Ministry of Education and Research (BMBF grant 01GQ0420 within the Bernstein Centre of Neuroscience, BMBF grant 01GQ0830 to BFNT Freiburg/Tuebingen and within the German-Israeli Project Cooperation: DIP, Project METACOMP), within the Bernstein Center for Computational Neuroscience Freiburg (Grant No. 01GQ0420). EK was also supported by the Department of Bioengineering, Imperial College London. The article processing charge was funded by the German Research Foundation (DFG) and the Albert Ludwigs University Freiburg in the funding programme Open Access Publishing. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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