How to explain the sense of sight that you once knew? Maybe it ’s just the brain that “pumped the wind”
Mysterious Brain
For a moment, you feel that the scene before you seems to have happened. You met a stranger, but you suddenly felt "I have seen this sister." Or after reading here, you started shooting and said, "I have dreamed about this!" "In this situation, it seems "I have experienced it in the past" is an illusion that often appears in daily life. In psychology, we call this phenomenon "a sense of sight."
Is it memory failure or memory error?
Scientists have tried to reproduce the phenomenon of visual perception in the laboratory. In a 2006 study, a memory team research team at the University of Leeds first created a memory for subjects under hypnosis, such as playing a game or seeing a specific color word, and then the researchers separately It is recommended that subjects in different groups forget or remember this memory. Later, the group of remembered subjects will have a sense of sight when they see the game or word again.
Other scientists are trying to use virtual reality technology to create a sense of sight. A study transformed a scene in the Sims game into another look according to the same layout, such as replacing all the bushes in a virtual garden scene with garbage dumps, so the garden became a layout The same dump. Passing by this scene, the players said they had a sense of sight.
Based on these experiments, scientists began to think that the sense of sight was actually a memory phenomenon: we entered a scene very similar to memory, but we could not find the corresponding exact memory. The brain recognizes the similarities between current scenes and memories, leaving us with an inexplicable sense of familiarity.
Scientists are not satisfied with the above explanations. They have proposed many theories in an attempt to give specific reasons for memory failure. Some of these theories think that the sense of sight is like a short circuit in the brain that leads to long-term and short-term memory, so new information does not stay in the short-term memory repository first, but goes directly to long-term memory. There are also some theories that this is due to the absence of relevant memory support, the areas in the brain responsible for sending familiar signals-the nasal cortex and entorhinal cortex were activated by mistake.
Another theory holds that the sense of sight is related to "false memory". This memory seems to be real, but it is actually false. This leads to a feeling that you can't distinguish whether something happened in reality or in a dream. However, subsequent research quickly refuted this theory.
For example, one study used functional magnetic resonance imaging (fMRI) to scan the brains of subjects who were experiencing existing vision. If the sense of vision is related to false memory, then memory-related brain regions such as the hippocampus should be activated. However, the scan found that it was the brain regions that were involved in decision-making. Researchers believe this is because the brain is trying to resolve conflicts: it is rummaging through past memories to see if we have actually experienced them.
Is there a neurological disorder in the temporal lobe of the brain?
The extreme case of visual perception is temporal lobe epilepsy, which is a chronic disorder of the nervous system that randomly occurs in the temporal lobe of the brain, often manifested as focally conscious epilepsy. When this happens, people will continue to maintain basic consciousness, but will have an abnormal feeling similar to the sense of sight. Some scientists believe that visual acuity is a milder version of this neurological disorder.
There are also theories that this weird feeling is actually a glimpse of the future. Some people who have a sense of sight have said they seem to have a sense of predicting the future. However, this theory does not have any scientific basis. According to research, the success rate of these people's predictions is no different from blind guessing.
Should we worry about perception? As long as it has nothing to do with epilepsy, researchers don't think there is any harm in this feeling. In fact, some scientists believe that the sense of sight may be beneficial. If it does occur because the brain is rearranging misplaced memories, this weird sense of horror may indicate that our memories are working well. This theory also explains why young people aged 15-25 are more likely to have a sense of sight. British scientists are studying a young man with a long-standing sense of sight. He frequently feels that he is re-experiencing past experiences, and the sense of sight that often occurs is as long as one minute each time. He felt like he was trapped in the movie "Illusion of Death."
All in all, if you only occasionally have a temporary sense of sight that doesn't affect daily life, then there is nothing to worry about. You can go with "Initial D" episode "Deja vu" and enjoy this weird illusion.
Source: Global Science
Written by: Sabrina Stierwalt
Translation: Lushui