Study concept and design: Rogalski, Weintraub, Mesulam.
Acquisition, analysis, or interpretation of data: Rogalski, Rademaker, Wieneke, Bigio, Mesulam.
Drafting of the manuscript: Rogalski, Rademaker, Mesulam.
Critical revision of the manuscript for important intellectual content: Rogalski, Wieneke, Bigio, Weintraub, Mesulam.
Statistical analysis: Rogalski, Rademaker, Mesulam.
Obtained funding: Mesulam.
Administrative, technical, or material support: Rogalski, Wieneke.
Study supervision: Weintraub.
Conflict of Interest Disclosures: None reported.
Funding/Support: This project was supported by grant DC008552 from the National Institute on Deafness and Communication Disorders; grant AG13854 (Alzheimer Disease Core Center) from the National Institute on Aging; and grant NS075075 from the National Institute of Neurological Disorders and Stroke.
Role of the Funder/Sponsor: The funding sources had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.