About the Authors
Department of Psychological and Brain Sciences, Dartmouth College, Hanover, New Hampshire
The authors have declared that no competing interests exist.
Conceived and designed the experiments: JDK ERX EJK. Performed the experiments: ERX EJK SAK WJL. Analyzed the data: JDK ERX EJK SAK WJL. Wrote the paper: JDK ERX EJK SAK WJL.