Useful than nightmares?
Source:Photo from the filming of "a Nightmare on elm street"
Every person in this world is simply obliged to sleep soundly at night, because a good rest protects us from . However, some people cannot sleep due to nightmares in which they see caricatures and other vermin. Many may think that the dream the horrors of the damage our body, but scientists from Switzerland and found a very useful function of nightmares. In two experiments, they found that experiencing negative emotions during sleep, we prepare ourselves for trouble in real life.
Scientists from around the world study the human dream for many decades. According to the article on the website of the University of Geneva, in a new study by Swiss scientists and their American colleagues decided to find out how nightmares affect the human brain. This was quite easily achieved in one experiment, so the researchers decided not to stop and find out the role of nightmares in a person's life.
One of the most common nightmares is the falling from a great height.
Why have nightmares?
But let's start in order. In the initial experiment, Swiss scientists on the impact of nightmares on the brain, was attended by 18 volunteers. Their heads were attached to the 256 electrodes, which led to the so-called EEG machine to measure electrical activity of the brain. During the study the participants of the experiment , and the revivals were talking about their dreams and the presence or absence of anxiety during the holidays.
Comparing the brain activity with the duration and level of anxiety of people during sleep, the scientists made a very interesting discovery. It turned out that nightmares in the human brain aktiviziruyutsya two plots under the names of island and the cingulate gyrus. It is known that the island plays an important role in the formation of consciousness and emotions, and the cingulate gyrus is occasionally responsible for movement of the body in dangerous situations. It is noteworthy that these parts of the brain responsible for fear are responsible not only during sleep but also during wakefulness.
the Location of the islet fraction of the human brain
Use of nightmares
After this discovery, scientists launched another experiment in which participants were required to keep diaries in which they recorded the essence of his dreams and the resulting emotions. After a week of maintaining the diary, participants were shown unpleasant images of violence and other shocking content. Brain scans showed that volunteers who often had nightmares, responded to image much calmer rest.
From this, scientists concluded that nightmares seemingly tempered man, and in the long term help to survive in real life. It is believed that this discovery will allow to develop new treatment methods for anxiety disorders. In addition, the results of the study can be the basis for new scientific studies on nightmares, which despite its identified benefits, still prevent people from sleeping.
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