鱼类消费和衰老中的认知功能:观察性研究的系统审查
Justyna Godos1, Giuseppe Caruso2,3, Agnieszka Micek4
1Department of Biomedical and Biotechnological Sciences, University of Catania, 95123, Catania, Italy. justyna.godos@unict.it.
GeroScience
|March 15, 2026
概括
在老年人中,定期食用鱼,每周至少1-2份,与更好的认知功能和更慢的衰退有关. 虽然并非所有认知领域都显示出一致的结果,但处理速度和执行功能从鱼类摄入中受益最多.
科学领域:
- 神经科学是一个神经科学.
- 营养流行病学 营养流行病学
- 老年学是一门学科.
背景情况:
- 较高的鱼类摄入量与较慢的认知衰退和降低痴呆症风险有关.
- 观察性研究为这种关联提供了证据,但研究结果各不相同.
研究的目的:
- 系统地审查有关老年人鱼类消费和认知功能的观察研究.
- 确定与鱼类摄入量最一致相关的认知领域.
主要方法:
- 对25项观察性研究 (8项横截面研究,17项前性研究) 的系统综述.
- 对评估各种认知领域的研究进行分析,包括全球认知,记忆,执行功能,注意力和处理速度.
- 包括具有不同参与者人口统计和评估工具的研究.
主要成果:
- 定期食用鱼 (≥1-2份/周) 与保持认知表现有关.
- 处理速度,执行功能,语义记忆和全球认知能力显示出最一致的积极关联.
- 与口头记忆的关联不太统一,并且经常因调整而减弱.
- 在一些调整后的模型中,观察到对反应时间和语言数字推理的零发现.
结论:
- 有证据表明,定期摄入鱼类可以支持老年人的认知健康.
- 特定的认知领域,如处理速度和执行功能似乎最有反应性.
- 需要进一步的研究来澄清不一致的发现和最佳摄入水平.
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