[1] Johns Hopkins Univ, Zanvyl Krieger Mind Brain Inst, Dept Psychol & Brain Sci, Baltimore, MD 21218 USA
[2] Vanderbilt Univ, Dept Psychol, Vanderbilt Vis Res Ctr, Ctr Integrat & Cognit Neurosci, Nashville, TN 37240 USA
[3] Indiana Univ, Dept Psychol & Brain Sci, Bloomington, IN USA