智力也称作智能,通常指人的观察、记忆、思维、想象等多种认识能力的综合表现。儿童智能的不断发展是脑的成熟与周围环境相互作用的结果,有一定规律和程序,但又像体格生长发育一样,存在阶段性和连续性。值得强调的是,5岁前属于智力发展的关键期。心理学家观察证实,智力发展在儿童4岁时已达50%,8岁时又增加30%,到17岁时再增加 Intelligence, also known as intelligence, usually refers to the general performance of people’s observation, memory, thinking, imagination and other cognitive abilities. The continuous development of children’s intelligence is the result of the interaction between brain maturation and the surrounding environment. There are certain laws and procedures, but like the physical growth and development, there are stages and continuity. It is worth emphasizing that the age of 5 years belongs to the critical period of intellectual development. Observations by psychologists confirm that intellectual development has reached 50% at 4 years of age in children, 30% at 8 years of age, and then increased at age 17