心理发展的关键期（Critical period of psychological development）.doc

心理发展的关键期（Critical period of psychological development） The concept of the critical phase first appeared in experimental embryology, and has since aroused the attention of biology, behavioral science and psychology. In the 30s, Austria Laurenz (K.Z.Lorenz) ecologists found that small, Gosling, ducklings in a few hours after birth can follow your mother. But if they were separated from their mother at birth, soon the animals would never follow their mother. This suggests that there is a critical opportunity for certain behaviors in animals to be missed, and that behavior is no longer possible. Other behaviors in small animals are similar. This phenomenon is called Imprinting, and the period when the mark was carved is called the critical period. In the past, the engraving could only take place during critical periods. However, in recent years, many scholars have shown that although the critical period is very important, but some behavior even if missed the critical period, as long as after a certain re learning, it is still possible to form. Therefore, the so-called critical period is actually the most sensitive and easiest time to learn. To be exact, the key should be called a sensitive phase. I. infancy is the critical period for the development of language in the process of socialization The occurrence and development of language are the direct cause of human consciousness. Different speech and action of mans voice, the voice of the animal is an instinctive form of communication, animal sounds only to a direct role in the phenomenon of answer, it performs a specific function signal, is the first signal system, and the language is the second signal stimulus system. Language, a class of things reflected by the word on behalf of people, so that people can communicate their each other mind reflected in things, and to know the results and thinking of the results recorded and displayed through the activities. Thus, it is possible for people to exchange ideas, so language