명제분석에 의한 우뇌손상자 이야기의 미시구조 분석
Analyses of Microstructure by Means of Propositional Analyses in the Narratives of Right-Brain-Damaged Patients
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Abstract
This paper explores the mode of discourse organization in the narratives produced by Right-Brain-Damaged patients (RBD). Five Korean RBD patients, five control subjects, and fifteen normal adult subjects were submitted to a production task of the narrative 'Two brothers: Heungbu and Nolbu'. The informative content of narratives was analysed according to the psycholinguistic method of semantic propositional analysis. At the level of macrostructure, the RBD showed a reduced amount of essential informative contents of narratives. It is confirmed that the RBD group showed the deficit in processing specific details to integrate them into a coherent structure. Then, we focused on the analyses of microstructure of narratives by exploring the usage and the function of connectives which relate two semantic propositions. Our results show that the types of connection in microstructure employed the most by the RBD group were "cause, opposition and concession". We suggest to characterize them as a representation of more or less "logical and analytic relations" between semantic propositions. On the other hand the types of connection such as "succession, transition and consequence" were employed the least in the RBD group, which could be characterized as "synthetic relations" at the discourse processing level. In conclusion, at the level of microstructure it seems that the inferential capacity of processing the "synthetic relation" by means of connectives is deficit in RBD subjects. The results of our study can support that the right hemisphere has its own specific cognitive function at a higher level of language.
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