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人的记忆靠大脑,而大脑的记忆按时间长短分为两类。一类是短时记忆,如记得吃了什么早餐,当天的电视新闻内容等。这种记忆犹如飞鸿踏雪泥,偶然留鸿爪,第二天常忘得一干二净。也正因为忘得快,大脑才有足够的空间及注意力去接收更新的事物。但是,如果大脑完全没有办法让记忆长存脑海中,人类就没有办法进步、学习。所幸,大脑具有留住信息的功能,即第二类记忆——长时记忆。它让我们记住了往日美好时光、一段温馨的童年、一场刻骨铭心的爱情,或一件辛酸的陈年往事。
Human memory depends on the brain, and the memory of the brain is divided into two categories according to the length of time. One is short-term memory, such as remember what to eat breakfast, TV news content of the day. This memory is like Feihong snow mud, occasionally leave the red claws, the second day often forget to get rid of. Just because it is forgotten, the brain has enough space and attention to receive updated things. However, there is no way for human beings to improve and learn if the brain has no way to keep memories forever. Fortunately, the brain has the function of keeping information, that is, the second type of memory - long-term memory. It allows us to remember the good old days, a warm childhood, an unforgettable love, or a bitter old age.