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15.5 Phonological Processing (Sally Shaywitz) |
| | "Converging evidence from a number of lines of investigation indicates
that dyslexia represents a disorder within the language system and more
specifically within a particular subcomponent of that system,
phonological processing. Recent advances in imaging technology,
particularly the development of functional magnetic resonance imaging,
provide evidence of a neurobiological signature for dyslexia,
specifically a disruption of two left hemisphere posterior brain
systems, one parieto-temporal, the other occipito-temporal, with
compensatory engagement of anterior systems around the inferior frontal
gyrus and a posterior (right occipito-temporal) system. Furthermore,
good evidence indicates a computational role for the left
occipito-temporal system: the development of fluent (automatic)
reading. The brain systems for reading are malleable and their
disruption in dyslexic children may be remediated by provision of an
evidence-based, effective reading intervention. In addition, functional
magnetic resonance imaging studies of young adults with reading
difficulties followed prospectively and longitudinally from age 5
through their mid twenties suggests that there may be two types of
reading difficulties, one primarily on a genetic basis, the other, and
far more common, reflecting environmental influences. These studies
offer the promise for more precise identification and effective
management of dyslexia in children, adolescents and adults." |  | Source: Biol Psychiatry. 2005 Jun 1;57(11):1301-9. - yslexia (specific reading disability). Shaywitz SE, Shaywitz BA. ational Institute of Child Health and Human Development-Yale Center for the Study of Learning and Attention, New Haven, Connecticut, USA.
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| | Book: Overcoming Dyslexia : A New and Complete Science-Based Program for Reading Problems at Any Level (Sally Shaywitz) Amazon | | |
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