一、认知发展中的一个里程碑 4个月左右的婴儿是很仔细的观察者,他已经能够完全地将悬挂在他头上或交给他的物体仔细地看了。他的视力已与一个小成人相似了,他能看静止物体的构造、形状、大小、颜色和轮廓,也能用目光去追踪运动的目标了。他继续地看自己的手,学习用手去碰击物体,他一刻不停地练习用手去抓握离他身体很近的玩具。当他的手在开始做动作,并试图去抓握一件东西的时候,他非常仔细地看着手,有一种内在的驱动力在鼓励他快去掌握触及和抓握东西的技能技巧。 A Milestone in Cognitive Development A baby about four months old is a very careful observer who has been able to look carefully at objects that are hanging over him or handed over to him. His eyesight is similar to that of a small adult who looks at the structure, shape, size, color, and contour of a still object and can use his gaze to track the movement’s target. He continued to look at his own hand and learn to strike the object with his hand. He kept practicing with his hand to grasp the toy close to his body. When his hand began to do some action and tried to grasp something, he looked very carefully at his hand, and there was an intrinsic motivation to encourage him to grasp the skill and skills of reaching and grasping.