Double dissociation of Hangul and Hanja reading in Korean patients with stroke

Miseon Kwon, Jong S. Kim, Jae Hong Lee, Hyeonsub Sim, Kichun Nam, Heasuk Park

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


The orthographic system of the Korean language consists of both phonogram (Hangul) and ideogram (Hanja). We report 2 patients who revealed selective impairment in reading either of orthographies after the brain damages. YJ, a 67-year-old man, showed Broca's aphasia and severe apraxia of speech after a stroke in the left inferior parietal lobe. He demonstrated predominant difficulties in reading phonogram. KS, a 51-year-old woman, had an intracerebral hemorrhage in the left parietal lobe. She showed anomic aphasia and a selective impairment on reading ideogram. These findings support the notion that recognition of visual words is processed in different ways depending on the characteristics of orthographic systems.

Original languageEnglish
Pages (from-to)199-203
Number of pages5
JournalEuropean Neurology
Issue number4
StatePublished - Jan 2006


  • Double dissociation
  • Dyslexia
  • Hangul
  • Hanja
  • Ideogram
  • Phonogram
  • Stroke


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