2013年8月29日星期四

Solidot: 婴儿能记住在子宫里听到的声音

Solidot

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婴儿能记住在子宫里听到的声音
http://solidot.org.feedsportal.com/c/33236/f/556826/s/308a9f4f/sc/38/l/0L0Ssolidot0Borg0Cstory0Dsid0F36235/story01.htm
Aug 29th 2013, 12:01

胎儿在孕育27周之后就能听到子宫外的声音,但科学家并不清楚胎儿是否记住或从外部声音中学习。根据发表在PNAS上的一篇报告,研究人员用实验证明婴儿能记住在子宫里听到的声音。他们的方法很简单:参与者在怀孕期间每周多次播放一个简单声音的多个录音,播放期间声音的中间音节偶尔会出现微妙的音高增加现象。婴儿在出生后不久接受了测试(用EEG测量脑电活动),结果显示他们对熟悉的声音能更强烈的作出反应,能够区分不同版本的音高变化。This entry passed through the Full-Text RSS service — if this is your content and you're reading it on someone else's site, please read the FAQ at fivefilters.org/content-only/faq.php#publishers. Five Filters recommends: Massacres That Matter - 'Responsibility To Protect' In Egypt, Libya And Syria'A Political Ploy'? The Guardian Editors Swallow US Claims On Syrian WMD'Limited But Persuasive' Evidence - Syria, Sarin, Libya, LiesEmergency protest: No attack on Syria - Downing Street, London, UK 5-7pm, Wednesday 28th August



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