大型出生队列揭示:儿童早期生长越快,日后认知能力越好

2021-02-04 MedSci原创 MedSci原创

儿童早期生长越快,日后认知能力越好

儿童早期是认知能力发展的关键时期。生长(体型增加)受遗传和环境因素的影响,这些因素也可能影响其他结果,包括认知发展。儿童早期生长与日后的认知能力之间存在什么关系?目前的证据有限。以前的大多数研究都是在一个时间点或两个时间点之间测量体型,或者都是在单一的学前或学前早期年龄段测量认知结果。认知能力可能不会在整个童年和青少年时期保持静态不变,而且儿童成长和认知能力之间的关联是否会随着时间的推移而持续存在也是未知数。

因此,来自加拿大的Asma Ahmed等研究者在12 368名白俄罗斯足月出生儿童的样本中,研究了生命初期6.5年的身长/身高和体重轨迹与6.5岁和16岁认知能力的关系及其随时间的变化。该研究近日发表于流行病学领域顶刊International Journal of Epidemiology上。

结果显示:较高的身长/身高与6.5岁和16岁的较高的认知评分相关(身高每增加一个标准差[SD],6.5岁的认知评分增加2.7分[95%置信区间(CI):2.1,3.2],16岁的认知评分增加2.5分[95%CI:1.9,3.0])。儿童期身高生长高峰期的延迟与认知评分呈负相关[每1SD延迟,6.5岁时为-2.4(95%CI:-3.0,-1.8);16岁时为-2.2(95%CI:-2.7,-1.6)]。出生尺寸和出生后生长速度与两个年龄段的认知评分呈正相关。身高和体重轨迹与认知分数的变化无关。

结论:在足月儿中,总体大小、儿童生长高峰期的时间、出生时的大小和出生后的生长速度都与学龄初期和青春期的认知能力有关。监测儿童生长发育的医疗专业人员应该意识到,虽然儿童体重和身高的快速增长与一些负面的健康结果有关,但该研究结果表明,儿童身高和体重的快速增长与更好的认知能力有关

这些发现强调了我们要关注儿童从出生到整个儿童期的一个连续过程,而不仅仅聚焦于婴儿期的 "敏感期 "。婴儿期后的环境影响,如家庭社会环境、营养和儿童的整体健康状况,也可能对儿童生长和大脑发育起到重要作用。未来对儿童晚期或青春期前后的生长和后期认知的研究将有利于我们更好地理解儿童生长和认知功能之间的关系。

参考文献

Asma Ahmed, Michael S Kramer, Jonathan Y Bernard, Maria Esther Perez Trejo, Richard M Martin, Emily Oken, Seungmi Yang, Early childhood growth trajectory and later cognitive ability: evidence from a large prospective birth cohort of healthy term-born childrenInternational Journal of Epidemiology, Volume 49, Issue 6, December 2020, Pages 1998–2009, https://doi-org.proxy-ub.rug.nl/10.1093/ije/dyaa105

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1933199, encodeId=c5331933199a4, content=<a href='/topic/show?id=543d31444d4' target=_blank style='color:#2F92EE;'>#出生队列#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=31444, encryptionId=543d31444d4, topicName=出生队列)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5e30378, createdName=caobinglei8079, createdTime=Thu Jul 29 14:03:24 CST 2021, time=2021-07-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=922867, encodeId=e3cf92286e2e, content=是长得快 不是上学早。 早起的鸟儿有虫吃纯属扯淡 大概率是鸟他妈还没睡醒呢, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=18df2566800, createdName=妙酒, createdTime=Thu Feb 04 20:30:51 CST 2021, time=2021-02-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=922732, encodeId=965d922e3214, content=呵呵, beContent=null, objectType=article, channel=null, level=null, likeNumber=85, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200803/bf55cfcb09b74a0cbf751a980fe04576/e4480eaa47ab42da91303dd1c72e723e.jpg, createdBy=89fd5188713, createdName=莉莉安 Lillian C., createdTime=Thu Feb 04 10:45:03 CST 2021, time=2021-02-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=922714, encodeId=6532922e140a, content=还好还好!, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=39345225392, createdName=1478bfb4m38(暂无昵称), createdTime=Thu Feb 04 09:26:59 CST 2021, time=2021-02-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=922680, encodeId=106492268076, content=干什么都要趁早, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b7a31928393, createdName=学医无涯, createdTime=Thu Feb 04 07:02:12 CST 2021, time=2021-02-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=922676, encodeId=34fa9226e69a, content=涨知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210127/50a003c4097845e182c08afd64d8a509/bd766dfebe9c40e0bca2dae964601bdc.jpg, createdBy=22de5454917, createdName=carrotlyl, createdTime=Thu Feb 04 06:42:09 CST 2021, time=2021-02-04, status=1, ipAttribution=)]
    2021-02-04 妙酒

    是长得快 不是上学早。 早起的鸟儿有虫吃纯属扯淡 大概率是鸟他妈还没睡醒呢

    0

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    2021-02-04 莉莉安 Lillian C.

    呵呵

    0

  4. [GetPortalCommentsPageByObjectIdResponse(id=1933199, encodeId=c5331933199a4, content=<a href='/topic/show?id=543d31444d4' target=_blank style='color:#2F92EE;'>#出生队列#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=31444, encryptionId=543d31444d4, topicName=出生队列)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5e30378, createdName=caobinglei8079, createdTime=Thu Jul 29 14:03:24 CST 2021, time=2021-07-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=922867, encodeId=e3cf92286e2e, content=是长得快 不是上学早。 早起的鸟儿有虫吃纯属扯淡 大概率是鸟他妈还没睡醒呢, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=18df2566800, createdName=妙酒, createdTime=Thu Feb 04 20:30:51 CST 2021, time=2021-02-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=922732, encodeId=965d922e3214, content=呵呵, beContent=null, objectType=article, channel=null, level=null, likeNumber=85, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200803/bf55cfcb09b74a0cbf751a980fe04576/e4480eaa47ab42da91303dd1c72e723e.jpg, createdBy=89fd5188713, createdName=莉莉安 Lillian C., createdTime=Thu Feb 04 10:45:03 CST 2021, time=2021-02-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=922714, encodeId=6532922e140a, content=还好还好!, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=39345225392, createdName=1478bfb4m38(暂无昵称), createdTime=Thu Feb 04 09:26:59 CST 2021, time=2021-02-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=922680, encodeId=106492268076, content=干什么都要趁早, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b7a31928393, createdName=学医无涯, createdTime=Thu Feb 04 07:02:12 CST 2021, time=2021-02-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=922676, encodeId=34fa9226e69a, content=涨知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210127/50a003c4097845e182c08afd64d8a509/bd766dfebe9c40e0bca2dae964601bdc.jpg, createdBy=22de5454917, createdName=carrotlyl, createdTime=Thu Feb 04 06:42:09 CST 2021, time=2021-02-04, status=1, ipAttribution=)]
    2021-02-04 1478bfb4m38(暂无昵称)

    还好还好!

    0

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    2021-02-04 学医无涯

    干什么都要趁早

    0

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    2021-02-04 carrotlyl

    涨知识

    0

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