多数学者认为手的优先利用在3岁或4岁时建立,但半球优势在婴幼儿期即出现。作者对6岁前儿童眼和手的优先利用情况进行了全面的研究。有1456名健康儿童接受了测试,年龄0～78个月,均符合以下标准:单胎足月儿,出生体重2500g,无住院或惊厥史,体格检查及神经系统检查均正常。以每6? Most scholars believe that the priority of hand use is established at the age of 3 or 4, but the hemispheric advantage occurs in infancy. The authors conducted a comprehensive study of the prioritization of eyes and hands of children 6 years old. A total of 1,456 healthy children were tested, ranging in age from 0 to 78 months, with the following criteria: single-term infants, birth weight 2500 g, no history of hospitalization or convulsions, physical examination and neurological examination were normal. Every 6?