A Diffusion Model Account of Cognitive Variability in Healthy Aging and Mild Cognitive Impairment

被引:0
|
作者
Aschenbrenner, Andrew J. [1 ,2 ]
Jackson, Joshua J. [2 ]
机构
[1] Washington Univ St Louis, Sch Med, Dept Neurol, St.Louis, MO USA
[2] Washington Univ, Dept Psychol & Brain Sci, 4488 Forest Pk Ave,STE 301, St Louis, MO 63108 USA
基金
美国国家卫生研究院;
关键词
RESPONSE-TIME DISTRIBUTIONS; INTRAINDIVIDUAL VARIABILITY; OLDER-ADULTS; SUSTAINED ATTENTION; AGE-DIFFERENCES; DECISION-MODEL; SPEED; PERSONALITY; PERFORMANCE; MIND;
D O I
10.1080/0361073X.2024.2409588
中图分类号
R592 [老年病学]; C [社会科学总论];
学科分类号
03 ; 0303 ; 100203 ;
摘要
Within-person variation in cognitive performance is linked to pathological aging. Cognitive fluctuations have not been analyzed using cognitive process models, such as the diffusion model, to characterize which cognitive processes contribute to variability in cognition. We collected 21 daily assessments of attention and personality in younger adults, healthy older adults, and those with mild cognitive impairment. We employed mixed-effects location scale models to analyze group differences on mean diffusion parameters and daily variability. Discussion focuses on how these methods extend our understanding of how cognitive deficits might appear in aging and disease and the moderating influence of daily personality.
引用
收藏
页数:18
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