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一般人都认为老年人的说话速度慢、判断的时间增加是因为脑活动减低的缘故。但调查发现,同一个人的智商经过近半个世纪以后,智商在七十五岁时仍然很高。所以,当今人们认为个体脑的稳定性较强,而老人脑机能会减低的观点已不再是公认的事实了。老人的智商与青年人相比显得较低,那是因为老人与青年成长的时代与环境不同,一方面老人的学历普遍较低,对智商测验的兴趣也不高,所得测验的数值当然比较低了。 众所周知,当今八十岁而仍然活动的政治家、作家、艺术家非常多。老人说话与判断都比较迟缓,事实上是因为神经元兴奋和抑制的活动比较
Most people think that the elderly speak slowly, to determine the increase in time because of decreased brain activity. However, the survey found that after nearly a half century of IQ of the same individual, the IQ remained high at the age of seventy-five. Therefore, people today think that the stability of the individual’s brain is strong, and the viewpoint that the elderly’s brain function can be reduced is no longer a generally accepted fact. The IQ of the elderly is lower than that of the young people. It is because the age and environment of the elderly and young people are different. On the one hand, the education of the elderly is generally low, and the interest in IQ tests is not high. It’s As everybody knows, there are so many politicians, writers and artists who are still active today. Elderly people speak and judge more slowly, in fact, because of the excitement and inhibition of neuronal activity comparison