About the Authors

B. Silvano Zanutto

To whom correspondence should be addressed. E-mail: silvano@fi.uba.ar

Affiliations Instituto de Ingeniería Biomédica–Universidad de Buenos Aires, Buenos Aires, Argentina , Instituto de Biología y Medicina Experimental–Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina

John E. R Staddon

Affiliation Department of Psychology and Neuroscience, Duke University, Durham, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

BSZ and JERS conceived and designed the experiments, analyzed the data, contributed reagents/materials/analysis tools, and wrote the paper. BSZ performed the experiments.