近年来,人们很重视左右大脑半球机能差别的研究。关于大脑半球机能的优势,以往的观点只认为言语感觉与左半球有关,视觉空间感觉与右半球有关。而最近认为两半球基本上对任何种类的情报信息都能处理,只是由于处理方式不同而表现出机能上的差别。在系统发生中,与言语有关的左半球机能是人所特有的,它所具备的言语传递方式是人的左半球在进化 In recent years, people pay much attention to the research on the difference of the hemisphere function. On the advantages of the hemispheric function of the past, the previous view that only the speech perception of the left hemisphere, the visual sense of the space and the right hemisphere. Recently, however, the two hemispheres were basically able to deal with any kind of intelligence information, but only showed functional differences due to the different treatment methods. In the system, the speech-related left hemisphere machine is unique to human beings, and the speech delivery method it possesses is that the human left hemisphere is evolving