About the Authors
Department of Neurosciences, Medical University of South Carolina, Charleston, South Carolina, United States of America
Department of Psychology and Neuroscience, Duke University, Durham, North Carolina, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: CVB WHM. Performed the experiments: WHM. Analyzed the data: WHM. Wrote the paper: CVB WHM. Performed simulations: CVB.