Advanced brain age correlates with greater rumination and less mindfulness in schizophrenia

沉思 注意 精神分裂症(面向对象编程) 心理学 担心 临床心理学 特质 发展心理学 认知 焦虑 精神科 计算机科学 程序设计语言
作者
Samantha V. Abram,Brian J. Roach,Jessica P.Y. Hua,Laura K. M. Han,Daniel H. Mathalon,Judith M. Ford,Susanna L. Fryer
出处
期刊:NeuroImage: Clinical [Elsevier]
卷期号:37: 103301-103301 被引量:3
标识
DOI:10.1016/j.nicl.2022.103301
摘要

Individual variation in brain aging trajectories is linked with several physical and mental health outcomes. Greater stress levels, worry, and rumination correspond with advanced brain age, while other individual characteristics, like mindfulness, may be protective of brain health. Multiple lines of evidence point to advanced brain aging in schizophrenia (i.e., neural age estimate > chronological age). Whether psychological dimensions such as mindfulness, rumination, and perceived stress contribute to brain aging in schizophrenia is unknown. We estimated brain age from high-resolution anatomical scans in 54 healthy controls (HC) and 52 individuals with schizophrenia (SZ) and computed the brain predicted age difference (BrainAGE-diff), i.e., the delta between estimated brain age and chronological age. Emotional well-being summary scores were empirically derived to reflect individual differences in trait mindfulness, rumination, and perceived stress. Core analyses evaluated relationships between BrainAGE-diff and emotional well-being, testing for slopes differences across groups. HC showed higher emotional well-being (greater mindfulness and less rumination/stress), relative to SZ. We observed a significant group difference in the relationship between BrainAge-diff and emotional well-being, explained by BrainAGE-diff negatively correlating with emotional well-being scores in SZ, and not in HC. That is, SZ with younger appearing brains (predicted age < chronological age) had emotional summary scores that were more like HC, a relationship that endured after accounting for several demographic and clinical variables. These data reveal clinically relevant aspects of brain age heterogeneity among SZ and point to case-control differences in the relationship between advanced brain aging and emotional well-being.
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