I occasionally find that some of the things I am doing now seem to have been dreamed in my dreams before, and the situation is basically the same. What is the reason?

Deja vu means feeling deja vu about something you have never experienced before. Every normal person has experienced the sense of sight more or less once: at a certain moment, his environment, his words and deeds, and the words and deeds of others seem to be exactly the same as what he experienced, and he can even "predict" what someone will say or do next moment. However, this feeling will not last long. After a while or the next moment, the scene in front of you will be very different from what you remember, and then everything will return to normal. According to my personal careful experience, even if I have experienced a sense of sight many times, the time to maintain this feeling is different every time, from a moment to a few seconds.

There are many theories about vision, such as past life memory, second reflex, one brain activity before another, and time and space crisscross ... among them, there are many scientific theories and heresies. But in any case, there is still no conclusion about this wonderful feeling.

First of all, the dualism of consciousness

The world exists because of human consciousness, and human consciousness creates the world. However, there are two possibilities: first, for me, everything except my consciousness, including my body, you readers and the whole universe, is created by my consciousness. If my consciousness disappears, the world will disappear with it; Second, everyone's consciousness exists objectively, and everyone's consciousness has created their own world, but these worlds overlap and become our world. Generally speaking, do you dream alone or together? I haven't considered this issue clearly, but it won't fundamentally affect my idea of consciousness dualism, so we don't have to stick to this issue.

For the sake of understanding, I divide human consciousness into two parts. (I don't reject the division method of other theories. All the consciousness involved in other theories may belong to the first consciousness I divided. )

1, cognitive consciousness. The consciousness of reading and understanding this article is also the consciousness we use to know the world and think about problems. In other words, cognitive consciousness is the consciousness that we can realize, for example, everyone can realize that they are thinking-this kind of consciousness is cognitive consciousness.

2. Creative consciousness. Since we have created the consciousness of the world, this consciousness can't be detected by us, let alone influenced by us.

The following explains the principle that consciousness creates the world and gradually understands the world:

We call the present moment "moment A". At moment A, our conscious activities are going on, perhaps receiving external information through various senses, or thinking. We call the next moment of time a moment b, because a period of time consists of countless moments, and there are two moments before and after a moment, so the difference between time a and time b is one moment. By analogy, the next moment of time b is called time c, and examples A, B and C will be used as time markers to describe the following principles.

At present, that is, now, our cognitive consciousness has reached moment A, and at the same time our creative consciousness has reached moment B. The instantaneous world between moments AB was created by the creative consciousness at the last moment. The moment when cognitive consciousness reaches time b from time a is the process of understanding the world at this moment. At this moment, the creative consciousness does not stop, but creates the next instantaneous world, and then reaches time C. Generally speaking, after a moment, the cognitive consciousness reaches time B from time A, and the creative consciousness reaches time C from time B. This process will always be maintained, that is, the creative consciousness always creates the instantaneous world before the cognitive consciousness, and creates the next instantaneous world while being recognized by the cognitive consciousness.

Now, for example. I read a book and saw a word in it. The word I saw the next moment has been created by the creative consciousness. When I see this newly created text, the creative consciousness is constantly creating the text I will see next time. No matter how fast I read, the creative consciousness can always create the words I want to see the next moment. So on the surface, the words in the book are objective. When I read a book, I read existing words. However, in fact, these words were inadvertently created by my creative consciousness.

The relationship among the world, cognitive consciousness and creative consciousness is shown in the following figure:

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The two black lines in the picture represent the memory of cognitive consciousness and the world created by creative consciousness respectively. The reason why the two are linked by equal sign is that although the world created by creative consciousness is recognized by cognitive consciousness, some memories will be forgotten with the passage of time and other reasons. As for whether this forgetting is permanent or not, whether there is some means (such as hypnosis) to awaken memory will be expounded in the last section of this article.

It is worth emphasizing that the moment when the creative consciousness is ahead is very small, which only indicates a relationship of creating first and then understanding, and cannot be expressed by a specific length of time. Therefore, in this sense, cognitive consciousness and creative consciousness are synchronous.

So far, we can simply describe this dual mode of consciousness as follows: human consciousness can be divided into cognition and creation. Creation always creates an instant world before cognition, and creates the next instant world while being recognized by cognition. The duality of creation and cognition keeps advancing and keeping pace.

Second, the application-the interpretation of vision

According to the model introduced in the first section, our understanding of the world is completed by cognitive consciousness, which consists of three elements. Before getting down to business, let me introduce these three elements:

1, experience. As the name implies, it is the state that consciousness is experiencing new things. For example, listening to and understanding other people's conversations, watching movies, enjoying music and so on.

2. Memories. While experiencing, we will unconsciously retrieve our memories and recall past experiences.

3. Contrast. While recalling, we will compare the ongoing experience with the past experience in memory.

These three elements are carried out simultaneously. In general, we experience new things, but we can't find highly similar experiences in the process of remembering. The result of comparison is "no deja vu experience" and no sense of sight. The process is graphically represented as follows:

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Now, let's cut to the chase-how did vision come into being? Reversing the above normal cognitive process, we can easily find the necessary and sufficient conditions for visual production:

Have vision

The result of comparison is "deja vu"

= > highly similar experiences were found in the process of memory.

Because experience and memory do not affect each other, the only factor that produces a sense of sight emerges, which is the element of memory.

The whole division is to analyze problems, which is why I divided consciousness into two in the first section, so the duality of cognition and creation cannot be separated. If certain conditions are met, the three elements of cognitive consciousness will change, so that the two will have a closer connection, which I call blending. There are many ways to change the three elements, one of which is the change of visual sense, which is called class A blending.

In the mixed state of Class A, only the elements of memory change, and the range of memory is expanded to the minimum. Cognitive consciousness is still responsible for recalling in the memory of cognitive consciousness, while creative consciousness can be recalled in the newly created world-that is, creative consciousness has a memory component, and its scope is the newly created world parallel to the experience of cognitive consciousness. This state is graphically represented as follows:

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As shown in the figure, the world experienced by cognitive consciousness is precisely created by creative consciousness. Comparing this experience with the newly created world will naturally lead to the conclusion that there are similar experiences, and the sense of vision is produced at this time!

It is particularly important to emphasize that the reason why the expanded memory range is not classified as the experience of cognitive consciousness (that is, the red dotted line in the figure) is because if we can recall the ongoing experience, then this kind of conscious activity can be carried out regardless of whether it produces vision, so it will be concluded that our experience at any time will produce vision.

At this point, the generation of vision has been well explained.

Three. Summary and hypothesis

Consciousness dualism is self-consistent, which can explain the emergence of vision. Dualism of consciousness includes dual mode and mixed mode of consciousness.

Hypothesis1:Class B blending-hypnosis. In the mixed state of Class B, only the memory elements have changed, but the expanded memory range is "the world of creating consciousness", which is the black line before the blue dotted line in Figure 3. Excluding other effects of hypnosis, class B blending can be interpreted as awakening the "sleeping memory" under hypnosis. In fact, this "memory" is a "world of creating consciousness". In a complete world, you can naturally recall everything.

Hypothesis 2: Class C mixing-absolute advantage. At one extreme, the three elements of cognitive consciousness are completely obtained by creative consciousness. Experience creative consciousness and memories in the "world of creative consciousness" ... Perhaps in this state, we can completely get rid of the passivity of creating imperceptibly and then know it, thus actively creating the world.