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January 1984

Right Hemifield Alexia Without Hemianopia

Arch Neurol. 1984;41(1):84-87. doi:10.1001/archneur.1984.04050130090031

• We studied a 54-year-old man who suffered a stroke in the visual-association areas of the left hemisphere. He showed no right-sided visual field defect and results of a neuropsychologic examination were normal except for his performance in several tasks presented to the right visual field. Naming of drawings was normal in both hemifields but reading of letters, words, digits, and arithmetic symbols was defective in the right field. We believe that the lesion in the visual association areas of the left hemisphere that did not interrupt interhemispheric connections disconnected the primary visual areas from temporoparietal areas of the left hemisphere, affecting reading.