在75岁及以上的认知障碍成年人中绘制核心记忆网络:基于WMS-R的症状网络分析的见解
Derong Zeng1, Junwen Yu2, Bingbing Qi3
1Graduate School of Medicine, Kyoto University, Kyoto, Japan.
Geriatrics & gerontology international
|November 17, 2025
概括
这项研究发现,视觉记忆和延迟回忆在认知障碍的老年人中是关键. 针对这些记忆领域可能会改善老年人群的整体认知功能.
科学领域:
- 认知神经科学 认知神经科学
- 老年学是指老年学的学科.
- 心理测量 心理测量 心理测量
背景情况:
- 老年人认知障碍是一个重大的公共卫生挑战.
- 了解不同记忆领域之间的复杂关系对于开发有效干预措施至关重要.
- 维克斯勒记忆量级修订 (WMS-R) 提供了对各种记忆功能的全面评估.
研究的目的:
- 用WMS-R在认知障碍的老年人 (75岁以上) 中研究记忆领域的网络结构.
- 在此网络中识别针对性干预策略的中央存储器组件.
- 应用症状网络分析来阐明记忆功能之间的相互关系.
主要方法:
- 对265名认知障碍的老年人的微克斯勒记忆量级修订 (WMS-R) 副测试数据进行网络分析.
- 使用斯皮尔曼相关性和EBICglasso进行网络估计.
- 计算了中心度指标 (强度,中间度,接近度) 并进行了强度的引导分析.
主要成果:
- 在口头记忆,视觉记忆和延迟回忆之间观察到强烈的正相关性.
- 注意力和集中力与其他记忆领域的关联较弱.
- 视觉内存和延迟回忆一直被确定为内存网络中最核心的节点.
结论:
- 视觉记忆和延迟回忆在受损老年人的认知网络中是至关重要的.
- 针对视觉记忆和延迟回忆的干预措施有望提高整体认知功能.
- 网络分析为老年人认知障碍的结构提供了宝贵的见解.
相关概念视频
Alzheimer's Disease: Overview
1.6K
Alzheimer's Disease (AD) is a continually advancing neurodegenerative disorder, distinguished by escalating memory loss, cognitive dysfunction, and dementia. The disease unfolds in three stages: preclinical, mild cognitive impairment (MCI), and dementia. Its onset is insidious, and the progression gradual, with the cause not well explained by other disorders.
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ...
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ...
1.6K
Working Memory
779
Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
779
Cognitive Development During Adulthood
757
Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
757


