About the Authors
Laboratory of Neurobiology of Adaptive Processes, UMR 7102, CNRS - UPMC Univ P6, Paris, France
The authors have declared that no competing interests exist.
Conceived and designed the experiments: LEM DS AA. Performed the experiments: LEM. Analyzed the data: LEM KB. Contributed reagents/materials/analysis tools: LEM KB. Wrote the paper: LEM DS AA.