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Some languages require more brain power

by Medindia Content Team on  July 3, 2003 at 11:16 AM General Health News   - G J E 4
Some languages require more brain power
Mandarin speakers use more areas of their brains than people who speak English, scientists said on Monday, in a finding that provides new insight into how the brain processes language.
Unlike English speakers, who use one side of their brain to understand the language, scientists at the Wellcome Trust research charity in Britain discovered that both sides of the brain are used to interpret variations in sounds in Mandarin.
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"We were very surprised to discover that people who speak different sorts of languages use their brains to decode speech in different ways; it overturned some long-held theories," said Dr. Sophie Scott, a psychologist.

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Using brain scans on volunteers,it was discovered that different areas of the brain are used to interpret words and intonation. The left temporal lobe of the brain is active when English speakers hear the language but Mandarin speakers use the left and right lobe, which is normally used to process melody in music and speech. Intonation is important in Mandarin because it gives different meanings to the same word. The word "ma" for example can mean mother, scold, horse or hemp, depending on the tone.

Researchers think Mandarin speakers interpret intonation and melody in the right temporal lobe to give the correct meaning to the spoken word.

They believe the research could provide insights into what happens when people are forced to re-learn speech comprehension following a stroke. "It seems that the structure of the language you learn as a child affects how the structure of your brain develops to decode speech.

A detailed study of the findings will be published soon.
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