The researchers suggested this could be because younger people make choices using a part of the brain called the ventral striatum which is linked to immediate rewards. As this declines with age, older people are forced to compensate by using their prefrontal cortices, which control rational and deliberate thoughts, they said.
(China.org.cn August 29, 2011) |
研究者称,这可能是因为年轻人做决定时更多使用的大脑部位是腹面纹状体,这部分大脑考虑事情更注重眼前;随着年龄的增长,它会逐渐萎缩,所以老年人考虑问题时要被迫使用他们的前额叶皮质,而这部分大脑考虑问题会更理性,更加深思熟虑。 |
Go to Forum >>0 Comment(s)