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有人统计,80岁的男性与20岁时相比,大脑皮质细胞数减少25％,脑重量比30岁时减少约100克。在脑功能上,老年人出现记忆力减退,思维缓慢,精神难于集中,持久力差,性格也会有所改变,表现为“行为偏僻性乖张”,发展到后期,甚至完全丧失自理生活的能力,出现老年性痴呆。 虽然人无法抗拒生老病死的自然规律,但并不是说人老了智力一定衰退。事实上,许多人老当益壮,成就卓然。日本的小寺幸作天资并不高,他在60多岁时
Some statistics, 80-year-old men compared to 20 years of age, the brain decreased by 25% of the number of cortical cells, brain weight reduction of 30 than the age of about 100 grams. In terms of brain function, older people experience memory loss, slow thinking, difficulty in concentration, persistent weakness, and personality change. They are characterized by “pernicious behavior”, the development of the late, or even completely lose their ability to take care of themselves, Alzheimer’s disease appears. Although people can not resist the natural laws of life and death, it does not mean that old people must have their intelligence retreated. In fact, many people grow strong and succeed. Japan’s small temple fortunate enough for talent, he was in his 60s