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Dyslexia in Chinese, English Speakers is Different: Study
April 08, 2008 at 11:32 AM
Child Health News
English speakers with the reading disability typically have functional abnormalities in posterior parts of the brain associated with reading and possibly less gray matter in these areas also.
In Chinese dyslexics, on the other hand, the functional and structural brain abnormalities related to reading correspond with the left middle frontal region of the brain, according to new research.
The new research is based on brain scans performed on 16 dyslexic Chinese speakers and 16 of their peers with normal reading ability during the course of a couple of tests.
Researchers first asked the 32 Beijing primary school students to look at two Chinese characters in different size font to see if they could identify the difference in size.
Having used this question to establish which part of their brains was involved with reading, the investigators then presented the students with two more Chinese characters and asked them if the two characters rhymed.
The second question was designed to test the students' phonological awareness, their sensitivity to the sound structure of language, which is considered an important and reliable predictor of reading ability.
The scans revealed that the students with the reading disability had less activity in the left middle frontal gyrus on the second task than the children without the disability.
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Warmly,
Anthony Kane, MD<