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Self-Reported Sleep and β-Amyloid Deposition in Older Adults

Self-Reported Sleep and β-Amyloid Deposition in Older Adults Letters Corresponding Author: Jason Wang, MD, Department of Pathology, Children’s I have some concerns on their research outcome. First, they Medical Center, 1935 Medical District Dr, Dallas, TX 75235 (jason.wang used self-reported sleep variables but the percentages of worse @utsouthwestern.edu). sleep quality and other variables on poor sleep were rela- Author Contributions: Drs Wang and Park had full access to all of the data in tively small. For example, the numbers of participants with the study and take responsibility for the integrity of the data and the accuracy restless sleep and mean sleep duration of 5 or fewer hours were of the data analysis. Study concept and design: All authors. 7 (10%) and 4 (7%), respectively. Although the percentage of Acquisition, analysis, or interpretation of data: All authors. elevated cortical distribution volume ratio and precuneus dis- Drafting of the manuscript: All authors. tribution volume ratio were 34% and 23%, respectively, the Critical revision of the manuscript for important intellectual content: All authors. Administrative, technical, or material support: All authors. main purpose of their study cannot be determined by the small Study supervision: Pascual, Park. number of participants who experienced poor sleep. Conflict of Interest Disclosures: Dr Park is a http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png JAMA Neurology American Medical Association

Self-Reported Sleep and β-Amyloid Deposition in Older Adults

JAMA Neurology , Volume 71 (5) – May 1, 2014

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Publisher
American Medical Association
Copyright
Copyright 2014 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.
ISSN
2168-6149
eISSN
2168-6157
DOI
10.1001/jamaneurol.2013.6417
pmid
24818678
Publisher site
See Article on Publisher Site

Abstract

Letters Corresponding Author: Jason Wang, MD, Department of Pathology, Children’s I have some concerns on their research outcome. First, they Medical Center, 1935 Medical District Dr, Dallas, TX 75235 (jason.wang used self-reported sleep variables but the percentages of worse @utsouthwestern.edu). sleep quality and other variables on poor sleep were rela- Author Contributions: Drs Wang and Park had full access to all of the data in tively small. For example, the numbers of participants with the study and take responsibility for the integrity of the data and the accuracy restless sleep and mean sleep duration of 5 or fewer hours were of the data analysis. Study concept and design: All authors. 7 (10%) and 4 (7%), respectively. Although the percentage of Acquisition, analysis, or interpretation of data: All authors. elevated cortical distribution volume ratio and precuneus dis- Drafting of the manuscript: All authors. tribution volume ratio were 34% and 23%, respectively, the Critical revision of the manuscript for important intellectual content: All authors. Administrative, technical, or material support: All authors. main purpose of their study cannot be determined by the small Study supervision: Pascual, Park. number of participants who experienced poor sleep. Conflict of Interest Disclosures: Dr Park is a

Journal

JAMA NeurologyAmerican Medical Association

Published: May 1, 2014

References