山东省临沂市河东区郑旺中心小学高于博、林凡瑞:人到少年期和青春期初期,身心各方面正经历着重大的变化,一是身体发育迅速,二是性机能迅速发展,引起性的生理冲动和体验,三是大脑的机能也发生了显著地变化。他们不断增长的独立需要与依附地位、性要求与社会规范、旺盛精神与认识水平、理智情感的矛盾更加突出,在一定条件下,一部分人则把不良社会因素转化为不良心理因 Linyi City, Shandong Province Zhengdong Central Primary School Hedong higher than the Bo, Lin Fanrui: people to adolescence and early adolescence, physical and mental changes are undergoing major changes, first, rapid physical development, and second, the rapid development of sexual function, causing sexual Physiological impulse and experience, and third, significant changes have taken place in the functioning of the brain. Their ever-growing independent needs and dependencies, their sexual demands and social norms, their spirits and understanding, and their sensibilities and emotions become more prominent. Under certain conditions, some people turn negative social factors into bad psychological causes