营养与健康老年人多感官整合的差异有关
Alan O'Dowd1,2, Deirdre M A O'Connor2,3,4, Rebecca J Hirst1,2
1School of Psychology and Institute of Neuroscience, Trinity College Dublin, Dublin, Ireland.
Nutritional neuroscience
|February 22, 2024
概括
老年人摄入更多的水果和蔬菜可以提高多感官集成的时间精度. 相反,高脂肪,高糖和高盐的饮食会降低这种精度,影响大脑健康.
科学领域:
- 神经科学是一个神经科学.
- 营养科学 营养科学
- 老年学是一门学科.
背景情况:
- 饮食显著影响老年人的认知功能.
- 饮食是认知衰退的可修改风险因素.
- 饮食与像多感官集成这样的较低水平的认知过程之间的联系尚未得到充分理解.
研究的目的:
- 调查每日水果和蔬菜 (FV) 摄入量和高脂肪/糖/盐 (FSS) 产品与老年人的时间多感官整合之间的关联.
- 为了确定饮食习惯是否会影响大脑随着时间的推移整合感官信息的能力.
主要方法:
- 利用来自爱尔兰长度老龄化研究 (TILDA) 2,693名老年人的数据 (平均年龄为64.06).
- 评估饮食摄入量使用食物频率问卷来计算FV和FSS项目的每日份量.
- 使用声音诱导闪光幻觉 (SIFI) 测量时间多感官集成,跨越三个刺激发作异步 (SOA):70,150和230 ms.
主要成果:
- 较高的光伏消费与在较长的SOA中对SIFI的敏感性降低有关,这表明时间精度增加.
- 较高的FSS消费与较长的SOA对SIFI的敏感性增加有关,这表明时间精度降低.
- 这些发现表明,FV和FSS摄入量与多传感集成的时间精度之间存在差异性关联.
结论:
- 习惯性饮食与老年人多感官整合的时间精度有关.
- 增加水果和蔬菜的消费可能会支持认知背后的神经过程.
- 脂肪,糖和盐含量高的饮食可能会对多感官时间精度产生负面影响,可能导致认知能力下降.
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