The authors report a patient with pure alexia (letter-by-letter reading) selectively impaired for kana (Japanese phonograms), cerebral achromatopsia, and right lower quadrantanopsia after hemorrhage in the left posterior occipital lobe, mainly under the lateral occipital gyri. The patient also could not recognize some single-character kana, nor could he discriminate between two shapes of a similar size. The authors believe that the posterior occipital lobe, including the lateral occipital gyri, is specialized to recognize kana characters in this patient.
| Symptom | Subdomain | Domain |
|---|---|---|
| color agnosia | Visual | Sensory Systems |
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| Subject ID | Age | Sex | Handedness | Cause | Actions |
|---|---|---|---|---|---|
| 175 | 77 | male | right | hemorrhagic stroke | Edit View |
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