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VOA慢速英语:Study Adds to Understanding of Language and the Brain
2010-01-20来源:和谐英语
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布洛卡区
位置:第三额叶回后部、靠近大脑外侧裂处的一个小区
功能:①产生协调的发音程序;
②提供语言的语法结构;
③言语的动机和愿望。
症状:①布洛卡区病变引起的失语症常称运动性失语症或表达性失语症。病人阅读、理解
和书写不受影响。他们知道自己想说什么但发音困难,说话缓慢费力;
②不能使用复杂句法和词法;
③自发性主动语言障碍,很少说话和回答,语言有模仿被动的性质。
④还可能有另外一种症状,就是病人可以说很流利很符合语法的话,但就是这些话毫无逻辑,也没有任何意义,人们照样听不懂他在说什么。
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