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ORIGINAL ARTICLE
Commun Sci Disord. 2000;5(1): 1-23.
Effects of Orthographic and Phonological Similarity on Hangul Word Recognition : Proces sing Difference between a Control Subject and an Anomic Aphasic
Dung hye Kim` , Kay oung Kim` , Sung bom Pyun` , Hongjae Lee` , and Kichun Nam`
Copyright ©2000 The Korean Academy of Speech-Language Pathology and Audiology
김동휘(Dung hye Kim)| 김가영(Kay oung Kim)| 편성범(Sung bom Pyun)| 이홍재(Hongjae Lee)| 남기춘(Kichun Nam)
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ABSTRACT
The purpose of the present research was to gain a better under standing of the processes involved in the lexical access for the orthographic stimulus in an anomic aphasic. Experiment 1 was designed to evaluate the priming effect along the pattern of the prime and the stimulus onset asynchrony (SOA). T he Experiment 1 revealed facilitatory form priming effect on the orthographically similar words in both the control subject and the anomic aphasic. Experiment 2 was performed to investigate whether the facilitatory form priming effect was cau sed by the orthographic or the phonological similarity between the prime and target words. Experiment 2 showed that the facilitatory form priming effect s showed no difference between the orthographic and the phonological similarities in the normal control group, but the facilitatory form priming effect s by the phonological prime was stronger than by the orthographic prime in the anomic aphasic. These finding s were quite supportive of the phonological proces sing for lexical acces s in the anomic aphasic. In Experiment 3, we attempted to evaluate whether the form priming effect was activated in the lexical access or in the pre- lexical stage. In the control subject , the inhibitory form priming effect was obtained. But the facilitatory form priming effect was shown in the anomic aphasic. Experiment 3 revealed that the anomic aphasic did not effectively inhibit the activated priming words in the lexical access. T he result s of Experiment s 1, 2, 3 suggest that the anomic aphasic recognize Hangul words via the phonological recoding route in the pre- lexical processing and the anomic aphasic has a problem in inhibiting the competing lexical candidates in the mental lexicon.
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