| Application of Dual Route Model in Reading Korean Words in the Acquired Dyslexic Patient after Stroke. |
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Pyun, Sung Bom , Jung, Hanyoung , Nam, Kichun , Kim, Myeong Ok , Cho, Kyungduk , Jung, Jaebeom , Son, Hyojung |
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Department of Rehabilitation Medicine, Asan Medical Center, University of Ulsan College of Medicine, Korea. rmpyun@amc.seoul.kr 1Department of Rehabilitation Medicine, Inha University Medical School, 2Department of Psychology, Korea University, 3Departm |
| 뇌졸중 후 난독증 환자의 한국어 읽기에서 이중경로모형의 적용 |
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편성범, 정한영1, 남기춘2, 김명옥1, 조경덕3, 정재범2, 손효정2 |
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울산대학교 의과대학 서울아산병원 재활의학과, 1인하대학교 의과대학 재활의학과, 2고려대학교 문과대학 심리학과, 3배재대학교 문과대학 심리학과 |
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| Abstract |
Objective
To investigate whether the dual route model is applicable to Korean word reading in acquired dyslexia after stroke.
Method
Sixty-two year old patient with dyslexia after left inferior temporal and occipital lobe infarct was evaluated according to the lexical processing. After evaluation of general cognitive and language function, visual perception, semantic, and lexical stages were assessed.
Results
Visual perception was appropriate, and semantic categorization and picture-word matching tasks were 80.6% and 78.6% correct, respectively. Lexical decision task showed no significant differences within word classes, exceptshorter reaction time in reading words of Korean origin than those of chinese origin (p＜0.05). The patient was able to read only 39.8% of tested words, and he could not read all the non-words. Reading of high frequency word was superior (65.4%) to that of low frequency words (10.9%) and semantic errors were not remarkable (p＜0.05).
Conclusion
The patient showed characteristics of recovery from deep to phonologic dyslexia with impairment of grapheme to phoneme conversion (GPC) route. These findings support that dual route model is applicable to Korean word reading. (J Korean Acad Rehab Med 2005; 29: 23-31) |
| Key Words:
Dyslexia, Reading, Language disorders, Orthographic processing |
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