Diseases [C] » Pathological Conditions, Signs and Symptoms [C23] » Signs and Symptoms » Neurologic Manifestations » Neurobehavioral Manifestations » Communication Disorders » Language Disorders » Dyslexia » Dyslexia, Acquired » Alexia, Pure
Psychiatry and Psychology [F] » Mental Disorders [F03] » Neurocognitive Disorders » Dyslexia, Acquired » Alexia, Pure
Diseases [C] » Nervous System Diseases [C10] » Neurologic Manifestations » Neurobehavioral Manifestations » Communication Disorders » Language Disorders » Dyslexia » Dyslexia, Acquired » Alexia, Pure
Description
Loss of the power to comprehend written materials despite preservation of the ability to write (i.e., alexia without agraphia). This condition is generally attributed to lesions that "disconnect" the visual cortex of the non-dominant hemisphere from language centers in the dominant hemisphere. This may occur when a dominant visual cortex injury is combined with underlying white matter lesions that involve crossing fibers from the occipital lobe of the opposite hemisphere. (From Adams et al., Principles of Neurology, 6th ed, p483) MeSH
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