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汉语是我们的母语,我们爱汉语, 我们要学好汉语, 我们也要我们的下一代学好汉语!

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发表于 2005-2-22 19:17 | 显示全部楼层 |阅读模式
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  W5 u  R2 P0 ]$ `& l说汉语者使用大脑更多部分
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; {6 u  m% K5 l: \0 i说汉语普通话者讲话时同时使用大脑两边 % h' a. Z+ O" S& d+ G6 o' M
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英国的研究人员发现,说汉语普通话的人可能比说英语的人用更多大脑。研究表明,说汉语普通话者讲话时同时使用大脑两边。
, F' c1 M# r0 D) @2 h说英语者只使用大脑一边。研究人员说,这项研究能够促进了解大脑处理语言的过程。 0 c' f3 U3 f7 }4 T
另外,这项研究还可以帮助研究人员找到更好的办法,帮助人们在中风或者脑部受到类似损害后重新学习,掌握语言技能。 9 f5 V" u* _8 u6 L$ B1 J, U
在这项研究中,操汉语普通话和操英语的两组人接受脑部扫描。研究人员发现,人们讲英语时,靠近左太阳穴的左颞叶开始活跃。
" a; ]0 d4 F5 O* I他们发现,大脑这个区域的功能是把发音联系起来,形成单个词汇。 ( }. e& @) z- r) s" m+ |2 a
研究发现,人们说汉语时,左颞叶和右颞叶一起活跃。研究人员说,说不同语言时,人的大脑在以不同方式破译语言。这就推翻了长期以来的看法。 : O( m; H" U1 g5 S6 o3 I/ D, v- u
汉语普通话十分难学。不同于操英语者,说汉语者使用音调区分不同词的不同意思。比如"马"音,用不同音调发音,可以是马,妈等不同的意思。2 W: n; d5 \0 \: R) s( S
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2 w7 ^# ?, X3 d! bChinese 'takes more brainpower'
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Speaking Chinese may take more brainpower than speaking English, a study suggests. % p: ^# K8 n! Z2 d
Researchers in Britain have found that people who speak Mandarin Chinese use both sides of their brain to understand the language.
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This compares to English-language speakers who only need to use one side of their brain. 9 c- B) H( c- @& }

. C8 @6 a* y3 l9 N8 z* ]The researchers said the findings could boost understanding of how the brain processes languages. * L$ A3 S& C" a* w* O0 C! b

1 p; Y5 D5 X0 T8 WThis, in turn, could one day help scientists to develop better ways of helping people to re-learn languages after a stroke or similar damage to the brain. 5 A% W6 h1 K5 H* _9 _7 {
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Brain scans
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7 o! X1 T) ~: P+ x9 VDr Sophie Scott and colleagues at the Wellcome Trust carried out brain scans on a group of Mandarin and English speakers.
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) s" O4 m2 D" QThey found that the left temporal lobe, which is located by the left temple, becomes active when English speakers hear English.
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The researchers believe that this area of the brain links speech sounds together to form individual words. ' D( c+ S; o6 d% W* t4 {) H% C" {

4 \3 s+ r- h$ M4 L' p. c' ^They expected similar findings when they carried out scans on Mandarin speakers.
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However, they found that both their left and right temporal lobes become active when they hear Mandarin. 7 ^" l9 F; l6 J1 R, D4 N) h. F7 i* }. E

0 o. Q& o* G, s/ @0 ["People who speak different sorts of languages use their brains to decode speech in different ways," said Dr Scott. 4 I6 \2 x+ k2 t$ G; W$ ]

/ B- M4 \) n& `( h"It overturned some long-held theories."
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$ B: j0 h- r& ]$ `Mandarin is a notoriously difficult language to learn. Unlike English, speakers use intonation to distinguish between completely different meanings of particular words. 4 o( [, ^5 V" \/ k4 g% I
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For instance, the word "ma" can mean mother, scold, horse or hemp depending on how it is said.
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The researchers believe that this need to interpret intonation is why Mandarin speakers need to use both sides of their brain. ' s, B. ?4 Z$ I+ @. G9 \/ t

( G1 w- p6 W6 f7 s( q% {The right temporal lobe is normally associated with being able to process music or tones. 2 p2 L) @7 w) D- b
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"We think that Mandarin speakers interpret intonation and melody in the right temporal lobe to give the correct meaning to the spoken words," said Dr Scott.
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/ p  ]- [3 M$ |2 u% A"It seems that the structure of the language you learn as a child affects how the structure of your brain develops to decode speech.
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"Native English speakers, for example, find it extraordinarily difficult to learn Mandarin."
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) U, K& U$ w3 F' Z4 ]3 uLearning languages 8 q9 R. C+ ^- b8 M8 E4 D

/ t2 v4 ?. H: o) MDr Scott said the findings could help scientists to understand how the brain learns language. - }5 }" D, E( x* B/ U1 ]6 ?6 [  F

7 `& |  ?8 ?3 G: O$ CIt could be particularly useful in trying to understand how it re-learns language after a stroke. 8 X) ~: B! D) Y3 _  N
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She suggested it could also lead to new drugs to help people who have lost their language skills. 5 r' e; n. T0 l0 Z( D
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"There is evidence from other studies that certain drugs affect learning in the brain regions that support hearing and speech," she said.
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"This is something we can improve on." 0 b' m0 c# w/ Y( Y5 ?; j
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Dr William Marslen-Wilson, of the MRC Cognition and Brain Sciences Unit at Cambridge University, welcomed the study. , U2 q' A1 A# t

3 d' u& u! K& {3 M/ t) [  `3 q"It is an interesting finding," he told BBC News Online.
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1 Q6 h. `' Z* M"Looking at languages that are very different from each other helps us to understand how the brain processes language.
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"It can also help us to understand language rehabilitation," he said.
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"This field is really opening up but it is very early days." 7 ]+ N0 R3 J/ U

( X8 j' O- M! F  b( rThe findings will be included in the summer science exhibition at the Royal Society in London, which runs from 1 to 3 July. ) ~& {7 h# i* w8 Y7 t- m

5 D  A, k" s8 `# CStory from BBC NEWS:7 z3 n1 Q2 I2 ^0 X% S# r$ C$ \
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[ Last edited by victorw on 2005-2-24 at 06:22 PM ]
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发表于 2005-2-22 21:36 | 显示全部楼层

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发表于 2005-2-25 19:25 | 显示全部楼层
搂主,文章要有出处好些,来源准确,更有说服力。不好意思!
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