罚写越多越好？文字饱和现象的ERP证据
发布时间：2019-05-29 21:39
【摘要】：当长时间加工或者多次重复加工特定文字后,对该文字及其相关信息加工效率降低的现象称为文字饱和。该现象在多种文字材料的实验中都有发现,但其发生本质存在争论,主要形成以下四种理论解释:字形饱和、字形语义联结通道饱和、语义饱和及多种饱和方式的结合,分别提出文字饱和现象可能发生在文字加工过程中字形加工水平、字形语义联结通道加工水平、语义加工水平和以上多种加工水平的结合。为了验证多种饱和方式同时存在的理论假设,研究者采用事件相关电位技术(ERP)进行两个实验,实验一以韩文文字为实验材料,通过N170成分监控文字加工进程中字形加工水平的激活程度,直接反映单纯字形加工;实验二以古文文字为实验材料,通过N170成分和N400成分监控文字加工进程中字形加工水平和语义加工水平的激活程度,同时考察字形加工和语义加工。两实验均采用2重复性(重复、基线)×2匹配性(是、否)×6重复水平(6个区段)的被试内实验设计,匹配性仅作快速重复字形匹配任务之需,自变量为以区段表示的重复水平,因变量为重复条件R与基线条件B反应时差值DRT、准确率差值DACC和ERP成分平均波幅差值DAM。实验一结果显示:随重复水平增加,反应时差值DRTs无显著差异,准确率差值DACC在第二区段DACC2和第四区段DACC4偏低且差异统计检验显著,N170平均波幅差值DAM第四区段DAM4最高且统计检验显著,即韩文文字字形饱和时间进程为倒U形,峰值出现在第四区段。实验二结果显示:随重复水平增加,反应时差值DRTs无显著差异,准确率差值DACC在第二区段DACC2和第四区段DACC4较低且差异统计检验显著,N170平均波幅差值DAM在第二区段DAM2存在差异,N400平均波幅差值DAMs无显著差异,即古文文字字形饱和时间进程为倒U形,峰值发生在第二区段,未检测到古文文字语义饱和峰值。综合韩文文字和古文文字饱和现象研究,得出结论:(1)文字字形饱和时间进程为倒U形;(2)古文文字字形饱和峰值早于韩文文字,即熟悉性影响饱和峰值早晚,熟悉的文字饱和峰值更早。
[Abstract]:When a particular text is processed for a long time or repeatedly, the phenomenon that the processing efficiency of the text and its related information is reduced is called text saturation. This phenomenon has been found in a variety of text materials, but the nature of its occurrence is controversial, mainly forming the following four theoretical explanations: zigzag saturation, zigzag semantic connection channel saturation, semantic saturation and the combination of various saturation modes. It is pointed out that the phenomenon of character saturation may occur in the process of character processing, such as the level of font processing, the processing level of font semantic connection channel, the combination of semantic processing level and the above processing levels. In order to verify the theoretical hypothesis that multiple saturation modes exist at the same time, the researchers used event-related potential technique (ERP) to carry out two experiments. In experiment 1, Korean characters were used as experimental materials. The activation degree of glyph processing level in the process of character processing is monitored by N170 component, which directly reflects the simple glyph processing. In the second experiment, the activation degree of glyph processing level and semantic processing level in the process of character processing was monitored by N170 component and N400 component, and the glyph processing and semantic processing were investigated at the same time. In both experiments, the experimental design of 2 repeatability (repetition, baseline) 脳 2 matching (yes, no) 脳 6 repetition level (6 sections) was adopted, and the matching was only needed for the task of fast repeated glyph matching. The independent variable is the repetition level represented by the section, and the dependent variable is the repetition condition R and the baseline condition B reaction time difference value DRT, accuracy difference DACC and ERP component average amplitude difference DAM. The results of experiment 1 showed that with the increase of repetition level, there was no significant difference in reaction time difference value (DRTs), and the accuracy difference DACC was low in the second section and the fourth section of DACC4, and the difference was significant by statistical test. The DAM4 of the fourth section of the N170 average amplitude difference DAM is the highest and the statistical test is significant, that is, the saturation time process of the Korean character font is inverted U-shaped, and the peak value appears in the fourth section. The results of experiment 2 showed that with the increase of repetition level, there was no significant difference in reaction time difference value (DRTs). The accuracy difference DACC was lower in the second section DACC2 and the fourth section DACC4, and the difference statistical test was significant. The N170 average amplitude difference DAM was different in the second section DAM2. The average amplitude difference DAMs of N400 has no significant difference, that is, the saturation time process of ancient characters is inverted U shape, the peak value occurs in the second section, and no semantic saturation peak value of ancient text is detected. Based on the study of saturation phenomenon of Korean characters and ancient characters, it is concluded that: (1) the saturation time process of characters is inverted U shape; (2) the peak value of glyph saturation in ancient Chinese is earlier than that in Korean, that is, familiarity affects the saturation peak sooner or later, and the saturation peak of familiar text is earlier.
【学位授予单位】：山西师范大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：B842
本文编号：2488245
[Abstract]:When a particular text is processed for a long time or repeatedly, the phenomenon that the processing efficiency of the text and its related information is reduced is called text saturation. This phenomenon has been found in a variety of text materials, but the nature of its occurrence is controversial, mainly forming the following four theoretical explanations: zigzag saturation, zigzag semantic connection channel saturation, semantic saturation and the combination of various saturation modes. It is pointed out that the phenomenon of character saturation may occur in the process of character processing, such as the level of font processing, the processing level of font semantic connection channel, the combination of semantic processing level and the above processing levels. In order to verify the theoretical hypothesis that multiple saturation modes exist at the same time, the researchers used event-related potential technique (ERP) to carry out two experiments. In experiment 1, Korean characters were used as experimental materials. The activation degree of glyph processing level in the process of character processing is monitored by N170 component, which directly reflects the simple glyph processing. In the second experiment, the activation degree of glyph processing level and semantic processing level in the process of character processing was monitored by N170 component and N400 component, and the glyph processing and semantic processing were investigated at the same time. In both experiments, the experimental design of 2 repeatability (repetition, baseline) 脳 2 matching (yes, no) 脳 6 repetition level (6 sections) was adopted, and the matching was only needed for the task of fast repeated glyph matching. The independent variable is the repetition level represented by the section, and the dependent variable is the repetition condition R and the baseline condition B reaction time difference value DRT, accuracy difference DACC and ERP component average amplitude difference DAM. The results of experiment 1 showed that with the increase of repetition level, there was no significant difference in reaction time difference value (DRTs), and the accuracy difference DACC was low in the second section and the fourth section of DACC4, and the difference was significant by statistical test. The DAM4 of the fourth section of the N170 average amplitude difference DAM is the highest and the statistical test is significant, that is, the saturation time process of the Korean character font is inverted U-shaped, and the peak value appears in the fourth section. The results of experiment 2 showed that with the increase of repetition level, there was no significant difference in reaction time difference value (DRTs). The accuracy difference DACC was lower in the second section DACC2 and the fourth section DACC4, and the difference statistical test was significant. The N170 average amplitude difference DAM was different in the second section DAM2. The average amplitude difference DAMs of N400 has no significant difference, that is, the saturation time process of ancient characters is inverted U shape, the peak value occurs in the second section, and no semantic saturation peak value of ancient text is detected. Based on the study of saturation phenomenon of Korean characters and ancient characters, it is concluded that: (1) the saturation time process of characters is inverted U shape; (2) the peak value of glyph saturation in ancient Chinese is earlier than that in Korean, that is, familiarity affects the saturation peak sooner or later, and the saturation peak of familiar text is earlier.
【学位授予单位】：山西师范大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：B842
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