The rapid development of brain cells during infancy leads to the loss of childhood memories

The rapid development of brain cells during infancy leads to the loss of childhood memories

Scientists and psychologists have long unsolved a mystery-why do we forget what happened in childhood? This is the most carefree and happy time in life. At present, the two scientists believe that they have found the answer to the mystery, pointing out that the rapid growth of cells in the memory center of the brain in early life means that the key connections between the brain memory cells that existed in the early stage will be replaced by replacement. Memory is unlikely to be recovered.

At the Canadian Neuroscience Conference, experts heard theoretical explanations about why babies can only remember birthday party events for a few days. In contrast, the connection between the brain cells of older children and adults becomes more stable, allowing memories to be well stored.

This theory was put forward by a couple of scientists, they are Paul Frankland and Sheena Josselyn from the University of Toronto in Canada. They pointed out that the cells formed in the memory center of young mice are more likely to make They forget some memories. At the same time, it was also found that young rats cannot produce normal memory cells with better memories.

Previous studies have shown that we cannot recall things before the age of 2-3, and can only produce some fragmented memories between the ages of 3-7. There are many factors in the explanation of this phenomenon, including: the memory fades with time, and the form of memory is closely related to the form of language ability. For years, infantile amnesia has been an inexplicable scientific mystery, and the Franks now believe that their explanatory theories are somewhat convincing.

Frankde said that our latest research explains why there are few memories of human childhood, and at the same time, it is also beneficial to fail to recall the details of childhood life. For example: Their two-year-old daughter suddenly cried when the birthday cake candle burned out. They pointed out that this event will leave a permanent mark in our memory. We can vividly recall the unhappy things in the birthday celebration. Our daughter will also remember this matter, but only one or two days of memory, the second She will shout "No candle" and shake her head vigorously. Why should we make our daughter's memories scarred? Infant amnesia will make them forget some things in their childhood. When their daughters become adults, they will not clearly recall the "candle event" on their second birthday.


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