About the Authors

David L. Woods

dlwoods@ucdavis.edu

Affiliations Human Cognitive Neurophysiology Laboratory, VANCHCS, Martinez, CA, United States of America, UC Davis Department of Neurology, Sacramento, CA. United States of America, Center for Neurosciences, UC Davis, Davis, CA United States of America, UC Davis Center for Mind and Brain, Davis, CA United States of America, NeuroBehavioral Systems, Inc., Berkeley, CA United States of America

John M. Wyma

Affiliations Human Cognitive Neurophysiology Laboratory, VANCHCS, Martinez, CA, United States of America, NeuroBehavioral Systems, Inc., Berkeley, CA United States of America

Timothy J. Herron

Affiliation Human Cognitive Neurophysiology Laboratory, VANCHCS, Martinez, CA, United States of America

E. William Yund

Affiliation Human Cognitive Neurophysiology Laboratory, VANCHCS, Martinez, CA, United States of America

Competing Interests

DLW is affiliated with NeuroBehavioral Systems, Inc., the developers of Presentation software that was used to create these experiments. DLW’s affiliation with NBS does not alter our adherence to the data sharing policies of PLOS ONE.

Author Contributions

Conceptualization: DLW TJH EWY. Data curation: DLW. Formal analysis: DLW TJH EWY. Funding acquisition: DLW. Investigation: JW. Methodology: DLW TJH EWY. Project administration: DLW. Resources: DLW TJH. Software: EWY TJH DLW. Supervision: DLW. Validation: DLW. Visualization: DLW. Writing – original draft: DLW JW. Writing – review & editing: DLW JW EWY TJH.