2.Since the first three years of life are the "key period for learning," is it too late once you miss that opportunity? A century ago Santiago Ramon y Cajal, who is known as the father of neurology, established a biological doctrine: "When a neuron dies, it cannot be reborn."
2、幼兒 3 歲前是「學習關鍵期」，錯過了就來不及？一世紀以前，神經科學的祖師爺雷蒙・卡哈曾立下一個生物教條：「大腦的神經元，死了就不能再生。」