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Braille alexia: an apperceptive tactile agnosia?
  1. Andrew J Larner
  1. Cognitive Function Clinic, Walton Centre for Neurology and Neurosurgery, Liverpool, UK
  1. Correspondence to:
 Dr Andrew J Larner
 Cognitive Function Clinic, Walton Centre for Neurology and Neurosurgery, Lower Lane, Fazakerley, Liverpool L9 7LJ, UK; a.larner{at}thewaltoncentre.nhs.uk

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Alexia for Braille reading is rarely reported.1–6 A further case is presented in which the clinical features may give some insight into the neurobiological mechanisms.

Neurological consultation was requested 17 days after apparently uncomplicated coronary artery bypass grafting in a 73-year old right-handed woman who complained that she could no longer read properly. Blind from birth because of anophthalmia, she learned to read Braille at age 7 years using her left index finger, or middle finger if the index finger became “tired” (the right hemisphere may have better discrimination for complex spatial patterns4,7). She was a proficient Braille reader, normally reading 8–10 book chapters per day; however, on initial recovery from the operation, she could not read at all. Matters improved over the following days but her reading was still much slower than preoperatively (1–2 book chapters/day) and she reported making …

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