大脑左右半球功能的不对称性是心理学和认知科学领域已有上百年研究历史的问题,同时也是社会公众关注的一个关于人脑认知功能的基本科学问题。从19世纪语言区的发现开始,到1981年Sperry因“裂脑人”研究获得诺贝尔奖,至今虽然大脑左右半球存在功能不对称性的观点已被广泛接受, The asymmetry of left and right hemispheres in the brain is a problem that has been studied for hundreds of years in the field of psychology and cognitive science. It is also a basic scientific issue that concerns the cognitive function of the human brain. Starting from the discovery of the linguistic area in the 19th century, until 1981, Sperry won the Nobel Prize for the study of “split-brain”. Although the viewpoint that there exists functional asymmetry in the hemispheres of the brain so far has been widely accepted,