Neuroscience:胎儿酒精综合症会影响成年后的认知功能

2016-02-25 QQduhp 译 MedSci原创

当民众出现慢波睡眠时意味着他们的睡眠更深入,当民众婴儿时患有婴儿酒精综合症时,则他们成年时慢波睡眠质量降低。纽约大学Langone医学中心及及NKI的研究人员开展进行这项研究,并将研究结果发表在Neuroscience。结合既往研究后研究人员发现,当前这项对老鼠的研究表明婴儿时期患有胎儿酒精综合症的民众易出现学习、记忆和情绪问题,发生率为1/100。酒精会破坏患者慢波睡眠的完整性并出现不同严重程度

当人们出现慢波睡眠时意味着他们的睡眠更深入,但是若婴儿时患过胎儿酒精综合症,则他们成年后慢波睡眠的质量将降低。纽约大学Langone医学中心及NKI的研究人员开展进行了这项研究,并将研究结果发表在Neuroscience。


结合既往研究后研究人员的发现,当前这项对老鼠的研究表明:婴儿时期患有胎儿酒精综合症的人易出现学习、记忆和情绪问题,发生率约为1/100。酒精会破坏患者慢波睡眠的完整性并出现不同严重程度的认知障碍。

Donald Wilson教授指出,人们已经知道若不能拥有完整的睡眠则人们的认知功能会受损,这项研究首次表明,婴儿期接触酒精会导致民众持久的不完整慢波睡眠。这说明胎儿酒精综合症会改变人们大脑调节睡眠的能力。 

研究人员使用小鼠模型进行探究,怀孕小鼠相当于孕晚期孕妇。研究人员在小鼠出生7天后注射了一定量的酒精(实验组),在它们长大后评估它们慢波睡眠的质量。对照组小鼠在同样的条件下注射的是生理盐水。出生7天小鼠的大脑相当于孕晚期婴儿的大脑发育水平。

研究人员发现,相比对照组而言,实验组的小鼠慢波睡眠质量更差,时间更短且更不完整,同时存在记忆力问题。且实验组小鼠情景恐惧记忆受损,而对照组小组未表现该现象。研究人员证实,情景恐惧记忆受损程度与睡眠中断有关。

Wilson教授表示,为胎儿酒精综合症患者采取针对性的干预治疗,有助于改善患者睡眠,该研究为探索新的治疗措施开辟了新的途径。 

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    2016-02-28 1de3b290m83(暂无匿称)

    关爱母亲

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    2016-02-27 lsndxfj
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    2016-02-27 jichang