From: International Business Times
NIH-Funded Study Finds Dyslexia not Tied to IQ
International Business Times:
Research on brain activity fails to support widely used approach to identify dyslexic students
Regardless of high or low overall scores on an IQ test, children with dyslexia show similar patterns of brain activity, according to researchers supported by the National Institutes of Health. The results call into question the discrepancy model – the practice of classifying a child as dyslexic on the basis of a lag between reading ability and overall IQ scores.
In many school systems, the discrepancy model is the criterion for determining whether a child will be provided with specialized reading instruction. With the discrepancy model, children with dyslexia and lower-than-average IQ scores may not be classified as learning disabled and so may not be eligible for special educational services to help them learn to read.
Read the whole story: International Business Times
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Comments
The findings are what they are. Children diagnosed as being dyslexic show similar patterns of brain activity no matter what their IQs scores might be. This finding does not purport that dyslexics with very low IQ have the potential to achieve reading ability levels equal to persons with average and above average IQs.
Positive diagnosis of dyslexia seems elusive. Apparently the discrepancy model is defective. It is essential, especially for educators, to know who is and who is not dyslexic. Does the new finding that renders IQ irrelevant require a new definition and a new diagnostic procedure to identify dyslexia? Can dyslexia be remedied?
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