Departments of *Psychiatry and Behavioral Sciences
†Neurology
‡Russell H. Morgan Department of Radiology and Radiological Sciences
§Orthopaedic Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
∥Department of Cognitive Science, Johns Hopkins University, Baltimore, Maryland
Present address: Rasika Jayatillake, Department of Statistics, Faculty of Science, University of Colombo, Colombo, Sri Lanka.
Cognitive and Behavioral Neurology Associate Editor Victor W. Henderson oversaw the review process for this article because senior author Barry Gordon is Editor-in-Chief of the journal and author Richard Skolasky is the Statistical Consultant.
T.D.V. designed the experimental steps, oversaw all aspects of the experiment, and drafted the manuscript. J.J.v.S., D.J.S., and B.G. contributed to the study design and manuscript preparation. R.J. and R.L.S. performed the statistical analyses. All authors approved the final article.
Supported in part by the Therapeutic Cognitive Neuroscience Research Fund (B.G.), the Therapeutic Cognitive Neuroscience Endowment (B.G.), and the Benjamin and Adith Miller Family Endowment on Aging, Alzheimer’s, and Autism Research (B.G.).
T.D.V. and D.J.S. are entitled to a share of royalties on the sales of the Calibrated Ideational Fluency Assessment,™ a cognitive test used in this study. These arrangements are managed by the Johns Hopkins University in accordance with its conflict of interest policies. The remaining authors declare no conflicts of interest.
Reprints: Tracy D. Vannorsdall, PhD, The Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Meyer 218, Baltimore, Maryland 21287 (e-mail: [email protected]).
Received November 11, 2014
Accepted April 13, 2015
