Why do humans lose their memories before the age of three? What is the reason?

Because the human brain has limited memory storage, the human brain needs to make room to store the later memories, so it will automatically reject the memories before the first three years of age.

Before the age of three, our minds are not yet mature, and even our memory functions are not fully developed. Unable to store memories.

Because the hippocampus and amygdala involved in memory during that period did not mature, permanent memories could not be formed.

Recall, do you remember what happened when you were one year old? Or do you remember what happened when you were three years old? Many times we will find that as we get older, our memory is not as good as day by day, even if it is something one minute, the next second may be forgotten.

Even if we have been trying to remember, we will find that the most we can remember is what happened in kindergarten, and then it seems to be a blank slate.

Everyone's memory is different, but the vast majority of people seem to have one thing in common, which is that the world seems to be a blank slate to us before the age of three. So why do we "lose" memories before the age of three?

Anyone who has children around you knows that even if you ask a two-year-old child what she did yesterday, she can know you, so children under the age of three have a memory, they know what they have done, and they have a certain understanding.

So for the question that most people can't remember before the age of three, the doctor explained that it's not that your memory really doesn't exist, it's just hidden. Because before the age of three, we record the things in our lives not by using language to remember, but more likely through feeling, touch, because the language system of three-year-old children is not very perfect, but when we grow up and recall, the language system is perfect. Therefore, the human brain develops the fastest at the age of three.

In addition, in the process of growing up, people have seen a bigger world and come into contact with more things, not only increasing the things in the brain, but also automatically correcting the previous wrong cognition, and it is not impossible for new memories to replace old ones, so our previous memories may just be replaced by new things.

Before the age of children, they are still in the stage of development, and the sensory system and language system have not yet matured, so they will not have too strong ability in memory, so they don't remember everything so clearly before the age of 3, or even forget everything. After the age of 3, you can remember things very clearly.

2. It is believed that human memory is not innate, but only acquired through learning. Just like when we talk and walk, we are not born with it, but we learn it slowly through the continuous teaching of our parents and family members. Different people have different teaching methods, and the effect of learning will be different.

3. The same is true of memory, which requires the cooperation of our sensory system and language system in order to maintain the formation of memory. If you don't have the cooperation between the two, then even if you can form a memory, it won't last long.

Why do humans "lose" memories before the age of 3? Is there something in control? Due to insufficient brain volume, infants have limited ability to observe and remember.

If you were asked to take a test before the age of three, would you remember? How many can you think of? I think most people don't have a memory of things rising until they're three years old.

Even if they do, they may form a little impression in their brains after listening to someone else's description, but they rarely remember specific things. It is also possible that many people listen to other people's descriptions for so long that they form an image in their brains that gives the illusion that they still have a memory.

<> brain, as the highest part of the nervous system, is the command center of our body, mainly responsible for the functions of movement, sensation, language, emotion and execution, and is the material basis of all thinking activities. What we call observation, attention, memory, thinking, and imagining are all inseparable from the brain. So why don't most of us remember anything until we are three years old?

In fact, these are related to brain development and organization, let's understand it.

People often have difficulty recalling events early in their lives clearly, a phenomenon known as "childhood amnesia", which is often very vague when recalling experiences between the ages of 0 and 4. But in this case, people forget more episodic memories – that is, narrative memories about where and when events in their lives took place – than knowledge-based memories, like how to eat with a spoon or walk. The development of amnesia in children is related to the structural development of the brain, as well as the different neural regions of the brain.

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At this time, the Xiangye hippocampus in the brain is not fully developed, and does not have the ability to store it and nerve points, so before the age of 3, our brain is busy developing the nerves and tissues completely, and the hippocampus is also gradually growing, and after the age of 3, our hippocampus initially has this function. Therefore, before the age of 3, my brain does not have the concept of memory, so naturally it cannot store relevant memories.

We know that the weight of an adult's brain is about 1400 grams, while the weight of a child's brain before the age of three is only 350 grams to 400 grams, so humans will lose their memories before the age of three. By the age of three, children have learned the basic skills of talking, walking, and avoiding danger. The brain is an energy-consuming organ, and too many synaptic connections can exacerbate energy expenditure.

So the brain cleans itself up and clears out excess synaptic connections.

Precisely because we have no cognitive abilities before the age of three. In addition, memory is not fully developed. It's our system that's in control.

Here's a simple question for you: Do you remember memories from before you were 3 years old? I believe that few people can answer, and even if there is, it is only one or two fragmented scenes or words at most.

According to the survey, most people's memories before the age of 3 are almost blank, many people think that this is because the time is too long, the memory is blurred, but why the memory of adulthood is still clear in the mind even after thirty or forty years, but five or six-year-old children can not tell what happened three or four years ago. It can be seen that the lack of memories left in infancy and early childhood is not only due to the problem of age.

Studies have shown that 2-month-old babies can recognize things they saw 24 hours ago, while 1-year-old babies can recognize things a few days ago, and at the age of 3, they can even recall bits and pieces of things from 1 year ago. All in all, children generally do not retain memories for more than a year before the age of 3, and if the father comes home after a year of absence, the baby may treat him as a stranger. So why do humans lose their memories before the age of three?

Let's see what memory experts have to say!

Caroline Roy Collier, a memory expert, has shown that throughout a person's lifelong development, people will gradually lose their memory. And for babies, although their brains have a slower rate of information extraction and a less powerful amount of storage.

But they will remember certain deep memories(e.g. in case of danger and accidents)., and when they see a reminder related to their memory, their memory is reactivated. The more times a memory is retrieved, the longer that memory will be retained.

There are probably two reasons why most people can't recall the experience before the age of 3:

The consciousness before the age is not mature enough

Before the age of three, children are still in a period of growth and development, and especially in all aspects of organs such as the brain, are not fully developed. Since a memory system that is not fully developed does not leave any mark, it is likely that a three-year-old child has no memory because the brain is still developing.

Children before the age of 3 remember differently

The memory mode between children and adults before the age of 3 is different, as children continue to grow, their memory will also think about the memory mode of adults in the development to get closer, at this time there will be a process of choosing memory, and in scientific terms, it is to recall the memory of childhood after growing up, and can no longer read the memory coding before the age of three, but they still exist.

Even if we forget the memories we had before the age of 3, that's okay. Until one day, when the baby has grown into an adult and starts to take care of another baby, everything will be known.

The location of the hippocampus in the brain.

The neurons we have as children grow at a rapid rate. However, the hippocampus can only carry a certain number of neurons. So is it because new neurons replace old ones, so that we lose our memory?

Many scientists speculate that it is in this process of handover between the old and the new that our hippocampus will undergo a small range of circuit destruction and recombination, thus affecting personal memory. In other words, the rapid growth of nerves in infancy may be the cause of "childhood amnesia".

Because people's memory is limited, they can't store so many things, it's not a popularity bug, it's just the structure of people and the characteristics of people.

Because at that time, the brain was not fully developed and could not remember things; I don't think it's a human bug