language is first being programmed in young children, their brains may mix the sounds and
structures of all languages in the same area. Once that programming is complete, the processing of a new language must be taken over by a different part of the brain.
A second possibility is simply that we may acquire languages differently as children than we do as adults. Hirsch thinks that mothers teach a baby to speak by using different methods involving touch, sound, and sight. 5
注释:
1.Now he speaks it fluently,and he had a unique opportunity to see how our brains adapt to a
second language:现在他英语讲得很流利,并且有一个独特的机会来审视我们的大脑是如何适应第二语言的。adapt to:适应。
2.MRI:核磁共振成像
3.BrocaS areaWernickeS area:Brocas area,即布洛卡区,也译为布罗卡区,是大脑的一区,它主管语言信息的处理、话语的产生。Wemickes area,即韦尼克区,也译为威尼克区,是大脑写中枢,视觉性语言中枢。Brocas area与Wernickes area共同形成语言系统。布洛卡区与韦尼克区通常位于脑部的优势半脑,这是由于大多数人是右利的缘故。1861年法国神经学家兼外科医生保罗?布洛卡对一些失语症患者进行研究及治疗时发现此一区域,位于大脑皮层额下回后部的441区,45区,故以发现者的名字命名为布洛卡区。
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