About the Authors
Max Planck Institute for Dynamics and Self-Organization, Göttingen, Germany
Bernstein Center for Computational Neuroscience, Göttingen, Germany
Cognitive Neuroscience Laboratory, German Primate Center, Göttingen, Germany
The authors have declared that no competing interests exist.
Wrote the paper: DB AW FW TG. Conceived and designed the models: DB FW TG. Contributed statistical tools: AW. Performed simulations: DB. Analyzed simulation results: DB AW.