Association of omega-3 polyunsaturated fatty acids intake and cognitive function in middle-aged and older adults.

IF 3.6 4区医学 Q2 NEUROSCIENCES Nutritional Neuroscience Pub Date : 2024-10-14 DOI:10.1080/1028415X.2024.2404785

Rouba Khalil Naaman, Shoug Alashmali, Manar Abduljalil Bakhsh, Asma Abdullah Muqaibil, Futooun Mohammed Ghunaim, Albatol Hussein Alattas

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Abstract

Objective: Omega-3 polyunsaturated fatty acids (PUFAs) play a crucial role in maintaining and improving cognitive function and brain health. The aim of this study was to assess the association between omega-3 PUFA intake and cognitive function in middle-aged and older adults in Saudi Arabia.

Methods: Cognitive function was assessed using the Montreal Cognitive Assessment (MoCA). The frequency and quantity of omega-3 PUFA intake were assessed using an omega-3 food frequency questionnaire.

Results: A total of 175 participants were recruited for this study. Participants in the lowest omega-3 PUFA tertile group scored significantly lower in the visuospatial/executive and attention cognitive domains (p < 0.05). After adjusting for confounders, the higher intake of alpha-linolenic acid (ALA) was significantly associated with higher scores in the visuospatial/executive domain (p = 0.02) and the higher intake of docosahexaenoic acid (DHA) was significantly associated with higher scores in the attention domain (p = 0.04). The participants who did not consume walnuts showed a significant lower MoCA score than those who did (p = 0.005). No significant differences were found with other omega-3 PUFA sources.

Conclusion: Higher intake of omega-3 PUFAs was positively associated with visuospatial/executive and attention cognitive functions in middle-aged and older adults.

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中老年人摄入欧米伽-3 多不饱和脂肪酸与认知功能的关系。

目的：欧米伽-3 多不饱和脂肪酸（PUFA）在维持和改善认知功能和大脑健康方面发挥着至关重要的作用。本研究旨在评估沙特阿拉伯中老年人摄入欧米伽-3 多不饱和脂肪酸与认知功能之间的关系：认知功能采用蒙特利尔认知评估（MoCA）进行评估。方法：使用蒙特利尔认知评估（MoCA）对认知功能进行评估，并使用欧米伽-3 食品频率问卷对欧米伽-3 PUFA 的摄入频率和数量进行评估：本研究共招募了 175 名参与者。摄入ω-3 PUFA最低三等分组的参与者在视觉空间/执行和注意力认知领域的得分明显较低（p p = 0.02），而摄入较多二十二碳六烯酸（DHA）的参与者在注意力领域的得分明显较高（p = 0.04）。未食用核桃的参与者的 MoCA 得分明显低于食用核桃的参与者（p = 0.005）。其他ω-3 PUFA来源则没有发现明显差异：结论：摄入更多的欧米伽-3 PUFA 与中老年人的视觉空间/执行和注意力认知功能呈正相关。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nutritional Neuroscience 医学-神经科学

CiteScore

8.50

自引率

2.80%

发文量

236

审稿时长

>12 weeks

期刊介绍： Nutritional Neuroscience is an international, interdisciplinary broad-based, online journal for reporting both basic and clinical research in the field of nutrition that relates to the central and peripheral nervous system. Studies may include the role of different components of normal diet (protein, carbohydrate, fat, moderate use of alcohol, etc.), dietary supplements (minerals, vitamins, hormones, herbs, etc.), and food additives (artificial flavours, colours, sweeteners, etc.) on neurochemistry, neurobiology, and behavioural biology of all vertebrate and invertebrate organisms. Ideally this journal will serve as a forum for neuroscientists, nutritionists, neurologists, psychiatrists, and those interested in preventive medicine.