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Curr Opin Neurobiol. 2002 Apr;12(2):178-83.

Brain mechanisms in normal and dyslexic readers.

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  • 1Department of Human Development, Martha Van Rensselaer Hall, Cornell University, Ithaca, New York 14853, USA. et62@cornell.edu


Developmental dyslexics, individuals with an unexplained difficulty reading, have been shown to have deficits in phonological processing -- the awareness of the sound structure of words -- and, in some cases, a more fundamental deficit in rapid auditory processing. In addition, dyslexics show a disruption in white matter connectivity between posterior and frontal regions. These results give continued support for a neurobiological etiology of developmental dyslexia. However, more research will be required to determine the possible causal relationships between these neurobiological disruptions and dyslexia.

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