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实验刺激模式为“预备信号纯音－屏幕呈现一个提示字一屏幕呈现一个操作字”。令被试者用操作字联想出另一个字以组成词，并口述之。实验组依联想性质分为具体与抽象二项，另进行一项对照实验。每项实验的操作字皆分为认识与不认识两类，脑电记录点为Ｆｚ，Ｃｚ，Ｐｚ，Ｐ３－Ｔ５中点，Ｐ４－Ｔ６中点，主要观察到：（１）词义联想引起Ｐ３与正慢波（ＰＳＷ）波幅增大。（２）不认识字联想可导致ＰＳＷ波幅极显著地增大和潜伏期极显著地延长，（３）无论汉字是否认识，对照组ＰＳＷ波幅较两个实验组皆高。（４）从ＰＳＷ中提取出了反映汉字认识与否的纯心理性Ｐ８００成分。（５）对照组的Ｐ８００始潜时较两个实验组皆长，这些实验结果表明，除前人提出的ＰＳＷ具有信息加工完成之认知含义外，ＰＳＷ尚与汉字形音认知、联想等多重信息加工相关，很可能是复合波；汉字的形音义加工间存在着错综复杂的关系，难以分割；在本实验条件下可使用ＰＳＷ或Ｐ８００成分作为甄别汉字是否认识的客观标志。
Experimental stimulus mode “preparatory signal pure tone - the screen presents a prompt word a screen presents an operation word.” Subjects were used to associate words with other words to form a word, and dictated. Experimental group according to the nature of the association is divided into two specific and abstract, the other for a control experiment. The operation words in each experiment are divided into two categories: cognition and non-cognition. The EEG recording points are Fz, Cz, Pz, P3-T5 midpoint and P4-T6 midpoint. The main findings are as follows: (1) And positive and slow wave (PSW) amplitude increases. (2) The unidentified association could lead to a significant increase in PSW amplitudes and an extremely prolonged latency. (3) PSW amplitude in control group was higher than that in both experimental groups, no matter whether Chinese characters were recognized or not. (4) extracted from the PSW reflect the Chinese characters or not pure psychological P800 composition. (5) The P800 start-up time of the control group is longer than that of the two experimental groups. These experimental results show that, except for the PSW proposed by the predecessor, the cognition meaning of information processing is completed, Multiple information processing is likely to be a complex wave. There is an intricate relationship between the processing of Chinese phonetics and phonetics, making it hard to divide. Under this experimental condition, PSW or P800 components can be used as an objective indicator of whether Chinese characters are recognized or not.