Form of aphasia which incapacitates to understand written language. The causes may be multiple such as stroke, traumatic brain injury, brain infection, neoplasm or degenerative brain diseases. 3 areas of the left cerebral hemisphere are involved in reading: the area of bit ( frontal lobe 41, the area of Wernicke ( 41 temporal lobe; and the angular gyrus ( 41 parietal lobe; Alexia has a Greek etymology: a-, privative prefix, and lexis lexeos: action speak, Word, expression.
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