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Alternative TitleThe Inhibition Mechanism for Resolving the Ambiguity in Chinese Language Recognition
Thesis Advisor陈永明
Degree Grantor中国科学院研究生院
Place of Conferral北京
Keyword歧义词 歧义句 歧义消解 激活 抑制


Other Abstract

    Ambiguity is an omnipresent phenomenon in language system. When ambiguous words were read or heard, an appropriate meaning should be selected from activated meanings while all the other inappropriate meanings were inhibited. Eight experiments were conducted to explore the inhibition mechanism for resolving the lexical and syntactic ambiguity. Lexical decision task was used in the first four experiments, semantic consistency task was used in experiment 5 and experiment 6, sentence
verification task was used in the last two experiments.
    The main results and conclusions are as follows:
    1  The processes of both lexical and syntactic ambiguity resolving were affected by the context.Word context had effects on homophones, but it had no effect on homographs.
    2  The meaning frequency had effect on the lexical ambiguity resolution, whereas the effect depended on context, SOA and the types of homonym. It was more difficult to inhibit dominant meaning of ambiguous words than inhibit subordinate meanings.
    3  There were some differences in the resolution of homographs and homophones. Inhibition mechanism worked earlier in resolution of homophones than in homographs.    4  The complexity of task was an important variable in the lexical ambiguity resolution. The more complex was the task, the later was the resolution for lexical ambigui诊Moreover, there were different inhibition mechanisms corresponding to different tasks.
    5  Precontext was superior to postcontext in syntactic ambiguity resolution. Compared with forced-pace conditions, self-pace conditions could improve the correct rates of response, but it had no effect on the inhibition mechanism.
    In this study, inhibition mechanism was focused in comprehension of Chinese language ambiguity,and word context was first used in lexical ambiguity resolution. Based on the result, it was proposed that inhibition strength was continuous.

Document Type学位论文
Recommended Citation
GB/T 7714
周治金. 汉语歧义消解过程及其抑制机制的研究[D]. 北京. 中国科学院研究生院,2001.
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