脑老化
计算机科学
神经科学
神经影像学
人工智能
医学
机器学习
心理学
认知
作者
Yalda Amirmoezzi,Vanessa Cropley,Sina Mansour L.,Caio Seguin,Andrew Zalesky,Ye Tian
标识
DOI:10.1523/jneurosci.1440-24.2024
摘要
The structure and function of the brain and cardiovascular system change over the lifespan. In this study, we aim to establish the extent to which age-related changes in these two vital organs are linked. Utilizing normative models and data from the UK Biobank, we estimate biological ages for the brain and heart for 2,904 middle-aged and older healthy adults, including both males and females. Biological ages were based on multiple structural, morphological, and functional features derived from brain and cardiovascular imaging modalities. We find that cardiovascular aging, particularly aging of its functional capacity and physiology, is selectively associated with the aging of specific brain networks, including the salience, default mode, and somatomotor networks as well as the subcortex. Our work provides unique insight into brain–heart relationships and may facilitate an improved understanding of the increased co-occurrence of brain and heart diseases in aging.
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