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Weak correlations between body height and several brain metrics in healthy elderly subjects


Jäncke, Lutz; Liem, Franziskus; Mérillat, Susan (2019). Weak correlations between body height and several brain metrics in healthy elderly subjects. European Journal of Neuroscience:ePub ahead of print.

Abstract

The question whether body height is related to different brain size measures has recently gained renewed interest as some studies have reported that body height correlates with intelligence and several brain size measures. In this study, we re-evaluated this question by examining the relationship between body height and different brain size measures including intracranial volume, total brain volume, total cortical surface area, total cortical volume, volume of normal appearing white matter, white matter hyperintensity, cortical surface area, cortical thickness, subcortical gray matter volume, cerebellar cortex and cerebellar white matter in a relatively large sample (n=216) of physically and cognitively healthy elderly subjects (mean age 71 years, age range 65-85 years). We identified small correlations (r = 0.11 - 0.19) between body height and seven out of ten brain metrics (total brain volume, cortical surface area, cortical volume, subcortical volume, normal appearing white matter volume, and cerebellar gray as well as white matter volumes) when controlling for sex and age. Based on these small relationships between body height and various brain size measures, we discuss the possible reasons and theoretical problems for these small relationships. This article is protected by copyright. All rights reserved.

Abstract

The question whether body height is related to different brain size measures has recently gained renewed interest as some studies have reported that body height correlates with intelligence and several brain size measures. In this study, we re-evaluated this question by examining the relationship between body height and different brain size measures including intracranial volume, total brain volume, total cortical surface area, total cortical volume, volume of normal appearing white matter, white matter hyperintensity, cortical surface area, cortical thickness, subcortical gray matter volume, cerebellar cortex and cerebellar white matter in a relatively large sample (n=216) of physically and cognitively healthy elderly subjects (mean age 71 years, age range 65-85 years). We identified small correlations (r = 0.11 - 0.19) between body height and seven out of ten brain metrics (total brain volume, cortical surface area, cortical volume, subcortical volume, normal appearing white matter volume, and cerebellar gray as well as white matter volumes) when controlling for sex and age. Based on these small relationships between body height and various brain size measures, we discuss the possible reasons and theoretical problems for these small relationships. This article is protected by copyright. All rights reserved.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:06 Faculty of Arts > Institute of Psychology
08 Research Priority Programs > Dynamics of Healthy Aging
Dewey Decimal Classification:150 Psychology
Language:English
Date:6 July 2019
Deposited On:11 Jul 2019 09:11
Last Modified:11 Jul 2019 09:13
Publisher:Wiley-Blackwell Publishing, Inc.
ISSN:0953-816X
Additional Information:This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1111/ejn.14501
OA Status:Closed
Publisher DOI:https://doi.org/10.1111/ejn.14501
PubMed ID:31278790

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