婴幼儿时期是大脑发育的关键时期。这时期,婴幼儿大脑发育特别迅速,降生时脑重量为350克,一年后发育到950克,6岁时可达1200克,接近成人的水平。所以,抓住婴幼儿智力发展的最佳期,利用其脑神经的敏感性进行早期教育,将会起到事半功倍的效果。心理学家和教育学家认为,人的心智发展的关键期主要在婴幼儿期。意大利教育家蒙台梭利认为,儿童出生后三年的发展在其程度和重要性上超过儿童一生的任何阶 Infancy is a critical period of brain development. During this period, the brain of infants and young children developed particularly rapidly. At birth, the brain weight was 350 grams, developed to 950 grams a year later and reached 1200 grams at 6 years old, approaching the level of adults. Therefore, to seize the best period for the development of infant mental and to use the sensitivity of the brain to carry out early education will play a multiplier effect. Psychologists and educators believe that the critical period of human mental development is mainly in infancy. Montessori, an Italian educator, believes that the three years after a child is born outgrows the child in any degree of its importance and importance