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据世界卫生组织统计,1950～1990年世界人口的平均寿命从46.6岁提高到64.7岁.多数工业化国家已经进入老龄化社会,我国北京、上海等城市也已达到老龄化的标准.老年人口的增加,相应带来老年神经精神卫生方面的诸多问题,所以也引起了卫生工作者对老年神经系统改变的重视.老年人的机体随年龄的增长而出现一系列老年性改变,现将有关老年人的特殊感觉器官、感觉系统、运动系统、反射、脑电图等神经系统的结构和机能的老年性改变方面的研究进况分述如下:
According to the statistics of the World Health Organization, the average life expectancy of the world population increased from 46.6 to 64.7 years from 1950 to 1990. Most industrialized countries have entered an aging society, and cities such as Beijing and Shanghai in China have also reached the standard of aging. , Which in turn brings about many problems in the mental health of senile nerves and therefore also arouses the attention of health workers in the changes of the senile nervous system.As the senile people’s body appears a series of senile changes with the growth of age, The progress of the research on the senile changes in the structure and function of the nervous system, such as the sensory system, the sensory system, the motor system, the reflex, the EEG and so on, is described as follows: