About the Authors
Imaging Research Center and Departments of Psychology and Neurobiology, University of Texas, Austin, Texas, United States of America
NASA Ames Research Center, Mountain View, California, United States of America
Department of Electrical and Computer Engineering, University of Texas, Austin, Texas, United States of America
Department of Psychology, Colorado University, Boulder, Colorado, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: RAP TS DK BB TY. Performed the experiments: RAP TY. Analyzed the data: RAP JAM TY. Contributed reagents/materials/analysis tools: RAP JAM DK BB TY. Wrote the paper: RAP JAM TS TY.