人的高级神经中枢活动是有其节律的,它集中表现为兴奋与抑制两个互相制约的神经生理过程。心理学家观察证实:主动记忆能力,20岁左右较好;理解、分析和判断能力,在30岁左右进入高峰。然而,上述心理智能发育的基础是在儿童少年阶段。因此,中小学生保持大脑皮层机能的良好状态,科学用脑,预防过劳实为必要。具体应做到下述几个方面。 Human high-level neural activity has its rhythm, which is concentrated in the excitement and inhibition of two mutually restricted neurophysiological processes. Psychologists observed that: active memory ability is about 20 years old; understanding, analysis, and judgment ability are at the peak around the age of 30. However, the above-mentioned psychological intelligence development is based on children and adolescents. Therefore, it is necessary for primary and middle school students to maintain a good state of cerebral cortex function and to use the brain scientifically to prevent overwork. Specific should be done in the following aspects.