公共卫生 公共卫生
Monica E Walters1, Emily P Morris1, Jordan D Palms1
1University of Michigan, Ann Arbor, MI, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 23, 2025
概括
感知控制影响老年人的认知健康. 减少外部控制可能会增强认知储备并改善认知,特别是在少数群体中.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 老年学是一门学科.
背景情况:
- 感知控制,包括内部和外部因素,与认知功能有关.
- 连接感知控制与认知健康的机制,特别是在多样化的老龄化人口中,需要进一步阐明.
- 这项研究调查了感知控制与大脑维护和认知储备的关系.
研究的目的:
- 检查内部和外部感知控制与纵向弹性机制的关系.
- 评估大脑维护和认知储备在将感知控制与认知健康联系起的作用.
- 探索这些协会跨越老年人的不同种族群体.
主要方法:
- 对多样化的队列 (非西班牙裔白人,非西班牙裔黑人,加勒比裔西班牙裔老年人) 的分析.
- 评估大脑健康 (皮层厚度,海马体积,灰质体积,白质超强度) 和全球认知.
- 统计建模 (潜增长曲线,多组模型) 以评估感知控制对认知轨迹的预测和调节效应,控制大脑健康.
主要成果:
- 内部控制与加勒比海西班牙裔的基线皮质厚度积极相关.
- 外部对照显示了跨种族群体与海马体积的不同关联 (非西班牙裔黑人呈阳性,非西班牙裔白人呈阴性).
- 更大的外部控制预测了较差的初始和长期认知,并加剧了大脑健康下降对认知的负面影响,特别是在西班牙裔和非西班牙裔黑人个体中.
结论:
- 认知储备似乎是一个比大脑维护更重要的弹性机制,它将感知控制与认知健康联系起来.
- 在感知控制,大脑健康和认知结果之间的关联中存在明显的种族群体差异.
- 旨在减少外部控制的干预措施可以通过认知储备促进认知健康,特别是在少数群体中的老年人中.
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