Magnetic resonance imaging of brain anatomy in severe developmental dyslexia
J. M. Rumsey, R. Dorwart, M. Vermess, M. B. Denckla, M. J. Kruesi and J. L. Rapoport
The brain anatomy of ten men (aged 18 to 28 years) with persistent, severe
developmental dyslexia was examined with magnetic resonance imaging to
explore the possibility of visualizing pathology not seen in previous
computed tomographic scan studies. Nine of the ten examinations were
clinically normal. One showed a focal finding thought to be incidental to
dyslexia. The volume of the temporal lobes was judged to be symmetrical in
nine of ten examinations, a finding supportive of previous computed
tomographic scan and neuropathologic reports of unusual symmetries of
posterior brain regions. Thus, despite its sensitivity, magnetic resonance
imaging failed to identify a common focal pathology. The choice of imaging
planes (particularly coronal) and lack of bone artifact may, however, prove
useful for studying macroscopic asymmetries in dyslexia.
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ABSTRACT
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ABSTRACT
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ABSTRACT
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ABSTRACT
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ABSTRACT
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ABSTRACT
Commentary on Dyslexia and Neurodevelopmental Pathology
Duane
J Learn Disabil 1989;22:219-220.
