Why dream memories quickly forget

Because the memory of dreams is instantaneous when you sleep. It can't be kept permanently, it's just your memory for a short time, maybe after a long time, he will follow. Your life fades, unless this dream is very impressive and will make you permanent, and its Liu Yao culture will not be impressed.

In fact, there are foreign scientists who have researched that people have been dreaming in the process of sleep, and the dream that most people have the impression of is a dream when they are about to wake up, that is, the last dream before waking up, if they are suddenly awakened by the plot of the dream in the process of dreaming, at this time people's memory of the dream is very clear, that is, we often have nightmares, or dream that we are looking for a toilet but can't find the situation of being awakened by urine, of course, there are other dreams that will be very clear, usually in the case of the dream being interrupted. If you end the dream relatively completely and then wake up, the memory of the dream will be very vague at this time, and you will forget it immediately if you can't grasp it.

The memories in the dream are quickly forgotten, because this is what people do when they are in a trance, and it is the imagination of people when they are in a drowsy state.

Because dreams only occur when you are half-asleep and half-awake, and your mind is not fully awake at that time.

Some are autonomic reflexes, so there will be this feeling.

Don't move when you wake up, many of them will remember.

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My personal understanding:

In fact, I didn't forget, but I just deleted the "search mark" for this dream, because the brain also needs to reduce the load, and it is not necessary to retrieve irrelevant information when you dream every day, just remember the more special dreams. So in simple terms, it should be the "extraction problem".

Many times people will have a feeling of "déjà vu" when they go to a new scene, and there is a certain chance that because this scene is very similar to a past dream, this "forgotten" memory will be called up.

Here are the different theories that dry goods, explained from a physiological point of view::

Possible cause 1:

Dreaming occurs during REM sleep and NREM sleep, with the vast majority of them occurring during REM sleep.

The neural structures between the thalamus and cortex produce rhythmic, synchronized, slow waveforms. When you wake up, you start generating gamma waves of 30-80 Hz, a process that is thought to be closely related to the process of combining independent perception with complex thinking. However, during sleep the main cortical area is closed, thus creating a "closed nervous system".

During REM sleep, cholinergic neurons in the pons are activated and transmit signals to the lateral geniculate body in the thalamus and then to the visual cortex. It is important to note that the process of transmitting signals from the pons to the frontal lobe is specifically activated during dreams, so the integrity of the brainstem is important for REM dreams. Dreaming is a dopaminergic process that occurs in limbic areas and connects with the cortex through the Papez circuit.

Among them, the Papez loop is the part that controls the expression of emotions, which is why there are also joys, sorrows and sorrows in dreams.

Here comes the point: the brain's executive system is responsible for constructing dreams in dreams, and the executive system operates in all directions when awake, while in sleep, the executive system only partially functions, and in dreams, dendritic pleats occasionally "**" cause the accidental activation of memory traces, thus forming some distorted thoughts. During non-eye movement sleep, protein synthetics are activated, forming protein bonds in dendritic folds, which help consolidate memory; However, the density of protein synthetics is low during sleep during the eye movement period, which causes the dendritic folds to decompose more quickly, so that the memories in the dream are fleeting. That's why we forget all the memories in our dreams shortly after we wake up.

Conversely, if a person wakes up while REM sleeps, then it is possible that the executive system of the brain is immediately activated and the protein bonds start to work, producing strong dendritic folds and consolidating the memory, so we will retain these dream memories for a longer period of time.

Most people can't remember most of the content of dreams, which is a normal physiological phenomenon, because the content of dreams cannot be stored in the hippocampus of the brain in time, so they can't remember the content of dreams at this time.

Dreams are based on the concept of cognitive physiology, and scholars feel that dreams are completed in a short period of time, which is a short-term image in nature, and if the short-term image cannot be reviewed in time or entered into the long-term image to be stored, it will naturally be quickly forgotten, and this view is also more reasonable.

Answer: Sleep is the main way to eliminate brain fatigue and physical recovery, and dreaming is a normal and essential physiological and psychological phenomenon of the human body during sleep. After a person falls asleep, a small part of the brain cells are still active, which is the basis of dreams.

Every time I ask a question, I fall in love with the boy in my dreams.

Answer: Because dreams occur in light sleep areas, and people's sleep is from light sleep to deep sleep, most people may only remember dreaming when they wake up in the morning, but usually do not remember the content of the dream, which is also a normal phenomenon.

Question: Can you say something I don't know?

Questions, but they have names.

Dreaming and not being able to remember is a physiological phenomenon. There is a light sleep period and a deep sleep period in the non-REM period, and then a dream period in the REM period, which is generally a sleep cycle of 90-100 minutes, from light sleep, deep sleep to dreaming.

If the sleep quality is relatively good, you can enter the normal deep sleep period, about 30 minutes or so, and then enter the dream period, so that the dream will not be remembered. Those who are often able to remember dreams because of the previous deep sleep period disorder, or the deep sleep time is relatively short, so that they feel that they are dreaming and can recall the dream, while it is not easy to remember when dreaming in the case of deep sleep quality is better.

The steps in which the dream slipped away from forgetting, first to pieces, and then to disappear completely. When a dreamer is awakened from the REM stage, he can almost always report a vivid dream. If he is awakened five minutes after the end of the phase, he will only be able to grasp a few fragments of the dream.

If you wake up after ten minutes, the dream is almost completely forgotten. Just by the number of words that report a dream, we can see a direct, dramatic tendency to decline.

Therefore, it is clear that unless the dreamer is awakened during the REM phase, it is likely that he has forgotten the mental content that he had during this phase. Many everyday memories may come from spontaneous awakenings during the last REM phase of the night, and since we usually don't wake up long at night, a natural process of forgetting occurs.

An interesting phenomenon is that the hints given to people before going to bed often work in some mysterious way. For example, people can almost always wake up at a certain time without the help of an alarm clock, as long as they give themselves such instructions. In a broader context, anyone who has gone through the psyche knows that if the dreamer himself wishes to remember the dream, the dream recall will increase to a certain extent, and this is by fighting against the natural physiological processes that cause the dream memory to slip away.

This physiological struggle is sometimes also conducive to the struggle that leads to the repression of subconscious mental processes. In short, if you want, you can hold back the footsteps of the dream, although you can't keep it completely.