Older people process fewer images in a given period of time than younger people.
Physicists explain why time goes so fast when people get old. Scientists suggest that as we age, the speed at which our brains receive and process images gradually slows down, leading to temporary differences in memories, the Study Finds writes.
In other words, this slowing down of brain imaging speed results in a faster perception of time.
“People are often amazed at how well they remember the days that seemed to last forever in their youth. It’s not because their experiences are deeper or more meaningful, it’s just processed at lightning speed,” says the study author Adrian Bejan, Professor of Mechanical Engineering at Duke University.
As we age, the nerves and neurons in our brains also mature, increasing in size and complexity. Therefore, new neural signals (memories) have a longer way than in youth. Our nerves also deteriorate as we age, slowing the flow of electrical signals to our brain.
These changes mean that it takes more time to acquire and process new images and memories in the mind. One piece of evidence that Bejan cites in support of his theory is how often babies’ eyes move compared to adults. In particular, children process images faster than adults, resulting in faster eye movements and faster integration of information.
So, because older people process fewer images in a given period of time than younger people, time seems to flow faster.
“The human mind senses the change of time when the visual images change. The present differs from the past because the mind’s vision has changed, not because one’s clock is ticking. In youth, the days are longer because the young mind receives more images a day than the same mind in old age,” concluded the physicist.
Remember that German scientists from the Max Planck Institute for the Biology of Aging studied a drug called rapamycin and said that, if used correctly, it can prolong life.
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Source: korrespondent
