FAN:Ω-3脂肪酸可增强老年个体的认知灵活性

2015-05-21 佚名 生物谷

刊登在国际杂志Frontiers in Aging Neuroscience上的一项研究报告中,来自伊利诺伊大学的研究者通过研究发现,Ω-3脂肪酸或可有效增强风险老年个体的认知灵活性。研究者Marta Zamroziewicz说道,鱼肉中的DHA和EPA两种Ω-3脂肪酸可以增强机体大脑的前扣带皮层的功能从而改善认知的灵活性。近来有研究表明营养缺乏和认知损伤、神经变性疾病之间存在着重要的联系,比如阿

刊登在国际杂志Frontiers in Aging Neuroscience上的一项研究报告中,来自伊利诺伊大学的研究者通过研究发现,Ω-3脂肪酸或可有效增强风险老年个体的认知灵活性。

研究者Marta Zamroziewicz说道,鱼肉中的DHA和EPA两种Ω-3脂肪酸可以增强机体大脑的前扣带皮层的功能从而改善认知的灵活性。近来有研究表明营养缺乏和认知损伤、神经变性疾病之间存在着重要的联系,比如阿尔兹海默氏症等;本文研究显示,最适的营养或可帮助维护认知功能,减缓机体老化的进程,同时降低健康老年个体疾病的发生率。

文章中,研究人员对40名年龄在65至75之间的认知健康的老年个体进行研究,这些个体机体中都携带有APOE e4基因突变,该突变被认为会引发早期的阿尔兹海默氏症的发生。研究者检测了参与者的认知灵活性,同时测定了其血液中脂肪酸二十碳五烯酸(EPA)和二十二碳六烯酸(DHA)的水平,并利用MRI对参与者的大脑进行了成像,最后对不同因子间的关系进行了统计学的分析。

研究者想证实,较高水平的Ω-3脂肪酸和个体较好的认知灵活性直接相关,的确研究者在研究中也发现了这样的结果,目前他们想通过更为深入的研究证实,高水平的Ω-3脂肪酸和大脑前扣带皮层的较大容量相关;本文的研究结果显示,脑前扣带皮层出现较大的容量是Ω-3脂肪酸和认知灵活性关系形成的一个中间阶段,而相关研究结果也为揭示Ω-3脂肪酸对老年个体大脑认知功能的重要性提供了一定的帮助和思路。

原始出处:

 Marta K. Zamroziewicz, Erick J. Paul, Rachael D. Rubin, and Aron K. Barbey. Anterior cingulate cortex mediates the relationship between O3PUFAs and executive functions in APOE e4 carriers.Front. Aging Neurosci, May 2015. doi: 10.3389/fnagi.2015.00087 

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    2015-05-22 tutu159

    找不到原文

    0

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    2015-05-21 tutu159

    正需要呢

    0

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    2015-05-21 Dr.LV

    期待

    0

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