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标识设计中语义认知事件相关电位

本站小编 Free考研考试/2022-02-13

DOI: 10.11908/j.issn.0253-374x.2018.11.017

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作者单位: 同济大学建筑与城规学院,上海电机学院


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中图分类号: TB472


基金项目: 教育部人文社会科学研究青年包容性视角下无障碍交互设计研究(17YJC760015)、浙江省基础公益研究计划神经科学视角下的无障碍交互设计关键共性技术研究项目资助(LGF18G010001)、浙江省文化厅文化科研项目 (zw2016017)




Event Related Potential of Semantic Cognition in Sign Design
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摘要:采用事件相关电位(ERP)技术,以公共空间标识为研究对象,探索图文语义一致或不一致对用户标识认知的影响.实验材料源于GB/T 10001《标志用公共信息图形符号》,采用Matlab13b和Stata14对脑电和行为数据进行处理.结果表明:在标识认知过程中,诱发了N170、P200、N300和N400,说明被试经历了分类处理、情绪唤醒、逻辑判断和语义判断4个阶段;图文语义是否匹配2种条件下所诱发的N300在前额区差异显著;N400在前额区、中央区和顶区差异显著.N300和N400可以作为判断标识图形与预期语义是否一致的神经测量指标.



Abstract:In this paper, event related potential (ERP) technology is used to identify public spatial identities and explore the effect of semantic consistency or inconsistency on user identification. The experimental materials are derived from GB/T 10001 “Public Information Graphical Symbols for Sign”. Matlab13b and Stata14 are used to process electroencephalograph (EEG) and behavioral data. It is shown that N170, P200, N300 and N400 are induced in the cognitive process of identification, indicating that the subjects experience 4 stages of classification, emotional arousal, logical judgment and semantic judgment in the process of identifying brain cognition. The statistical results show that the differences of N300 induced by the two conditions are significant in the frontal top areas, and the difference in the N400 is significant in the frontal top area, the central top area and the top area. N300 and N400 can be used as a neurometric index to judge whether the identification graph is consistent with the expected semantics.





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