Tachistoscopic visual half-field test was used to investigate functional hemispheric laterality for three kinds of cognitive processing task (reading,simple addition and conceptual decision)on Arabic numerals and numerals in capital of Chinese characters.

• 用半视野速示术检查阿拉伯数字和汉字大写数字在三种任务加工条件（认读、简单相加、奇偶概念异同判断）下进行认知的大脑两半球机能活动一侧化效应。