Scientific Reports:产前暴露于娱乐毒品可影响学龄前儿童的运动知觉

2015-11-24 MedSci MedSci原创

Scientific Reports:产前娱乐毒品的暴露可影响学龄前儿童的运动知觉产前暴露于娱乐毒品可损害儿童运动和认知能力的发育,但是目前尚不清楚是否还会影响儿童大脑的视觉脑区。为了探究这个问题,研究人员调查了产前药物暴露对儿童整体运动知觉的影响,运动知觉是机体背外侧视觉皮层中对运动特性的知觉,尤其易受神经发育的影响。本研究中,研究人员共纳入了145名胎儿时期曾接触过冰毒,酒精,尼古丁,大麻(其

产前暴露于娱乐毒品可损害儿童运动和认知能力的发育,但是目前尚不清楚是否还会影响儿童大脑的视觉脑区。

为了探究这个问题,研究人员调查了产前药物暴露对儿童整体运动知觉的影响,运动知觉是机体背外侧视觉皮层中对运动特性的知觉,尤其易受神经发育的影响。本研究中,研究人员共纳入了145名胎儿时期曾接触过冰毒,酒精,尼古丁,大麻(其中一种或几种)的年龄为4.5岁的儿童,以及25名出生前未接触过这些药物的儿童。根据胎粪分析来检验这些母亲的自我报告。

结果发现,胎儿时期暴露于酒精的儿童其整体运动知觉受损,而胎儿时期暴露于大麻的儿童其运动知觉则得到了显著的改善。产前暴露于这两种药物并不会影响儿童的运动知觉。其他视觉功能,如视敏度和立体视锐度,并不会由于药物暴露而受影响。产前暴露于冰毒并不会影响儿童的视觉功能。

总而言之,该研究结果表明,产前药物暴露却可影响儿童视觉发育的行为措施,但是这种影响依赖于母亲怀孕期间某特定药物的使用。

原始出处:

Arijit Chakraborty, Nicola S. Anstice, et al.Prenatal exposure to recreational drugs affects global motion perception in preschool children. Scientific Reports, 2015; 5: 16921 DOI: 10.1038/srep16921


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    2015-11-26 jichang
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    2015-11-26 qilu_qi