Adolescence is the intermediate period of children's transition to sexual maturity. It is not only a transition period from childhood to youth, but also a transition period from children to adults (pre-adolescence is the same as adolescence).
This period is characterized by rapid physical development, secondary sexual characteristics, sexual maturity and even fertility, which is a key period for human growth and development, physical health, psychological and intellectual development. The age range is between eleven and twenty-five.
Adult age is 25-60 years old. According to the psychological and physiological characteristics of adults, it can be divided into three stages: late youth (25-30 years old), early adulthood (30-40 years old) and middle adulthood (40-60 years old). After adulthood, people's bodies are mature and various physiological activities are relatively stable.
Extended data:
Characteristics of adolescence:
1. Physical development and psychological development have reached a mature level;
Second, enter the adult society and undertake social obligations;
Third, the expansion of living space;
Fourth, start to fall in love and get married.
Psychological characteristics of adolescence:
1, human physiological development tends to be gentle and mature,
2, thinking gradually reached a mature level,
3. Independence and autonomy are increasing.
4. Personality tends to be stereotyped,
5. Social adaptability,
6. Values and morality are formed and matured.
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