我们都知道网膜上的成像是倒置的,和真实景物以及我们身体所处的位置恰好相反,由于生活经验的累积,使我们能正确地辨别景物的位置,并使自己的动作与景物相适应,小孩在出生后的最初几个月内,尚不能辨别景物的例正。例加当给以点着的蜡烛,小孩企图去抓火焰时,往往将手伸向蜡烛的下端,以后在长期的生活实践中,在手和其他感官的合作之下,才正确地辨别了景物的位置,并使行动与景物完全吻合一致。下面的两个实验可以帮助我们去理解这个问题: We all know that the image on the retina is upside down, in contrast to the real scene and the place where our body is located. Due to the accumulation of living experience, we can correctly identify the position of the scene and adapt our actions to the scene , Children in the first few months after birth, still can not identify the positive examples. In the case of a lit candle, when a child attempts to capture a flame, he often extends his hand to the lower end of the candle and later correctly identifies the scene under the long-term practice of life and under the cooperation of the hand and other senses The location, and action and scenery fully consistent. The following two experiments can help us to understand this problem: