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实验通过眼动技术考察听障人群在数量大小比较任务中对四种类型符号数量表征的特点,结果表明:(1)听障人群对阿拉伯数字、中文数字加工效率低于健听人群,对手语数字具有加工优势,两组被试对点阵加工并无差异;(2)听障人群对阿拉伯数字执行眼跳任务时产生的SNARC效应与健听人无差异,对点阵和中文数字产生的SNARC效应较小,而健听人对手语数字未产生该效应。最后结合加工程度、认知控制等原因对结果进行讨论,认为听障人群的数量空间表征能力受多种因素制约落后于健听人群。
The experiment examines the characteristics of four types of symbolic numbers in hearing-impaired population by comparing the quantity and size of tasks. The results show that: (1) the efficiency of hearing-impaired people in processing Arabic numbers and Chinese numbers is lower than that of hearing-impaired people and adversarial language The number has the advantage of processing. There is no difference between the two groups in the processing of dot matrix. (2) The SNARC effect of hearing-impaired people performing eye-eye task on Arabic numerals is not different from that of hearing-impaired persons. SNARC effect is smaller, and healthy hearing person does not have this effect on sign language numbers. Finally, the results are discussed in combination with the degree of processing, cognitive control and other reasons. It is concluded that the quantitative spatial abilities of hearing-impaired people are lagging behind that of hearing-impaired people due to various factors.