Whether the dream is to help witnesses to remember the culprit's face?
Source:
still from the film "usual suspects"
Recently, scientists from the U.S. state of Michigan found out that in season allergies between early spring and late fall in the cities . This is because a painful condition affects not only ordinary people but also potential criminals, who, because of fatigue are simply not able to harm others. However, in the rest of the time of the crime still being committed and the police need as quickly as possible to find and arrest their participants. In this case it is of great help to the witnesses of the incident, but many of them sometimes don't exactly remember the appearance of the troublemakers. Scientists have long known that sleep helps to restore the memory, so as it turns out — if the witnesses get a good sleep before the process of identification of the perpetrator, they will remember his face?
To find out, and scientists from the UK conducted a study, whose results were published in scientific publication . In scientific work brought together 4,000 volunteers who were shown a video with a fake crime. They were given the task to look closely at the video to remember signs of the criminal and to recognize it in a special room with several suspects.
do sleep Improves memory?
Except that the recognition process was carried out at different times. The participants were divided into three groups, where people first were given the opportunity to sleep for the night. The second group of people in the process of identification of the offender was forbidden to sleep in the daytime. But the rest of the participants entered the room with the suspects immediately after viewing the video, to the crime. According to researchers, sleep people had to point out the real culprit is much faster than the other, but their expectations were ruined.
Sleep is really useful, but not to remember the face
As it turned out, almost all the witnesses have coped with the task and remember special signs committed a crime person. It turns out that the recollection of witnesses, the absence and the presence of sleep remained about the same and they recognized man's need equally fast. From this, the researchers came to the conclusion that even sleep and can improve a person's memory, but it does not affect the ability of eyewitnesses to crimes remember the offenders.
However, the results of the study can be subjected to serious doubt. The fact is that between viewing in a comfortable chair and watching murder in real conditions there is a big difference. If people actually witness any of the terrible events, it might be a panic and he wouldn't remember. In this case it is unlikely to help even a sound sleep. Perhaps witnesses of crimes won't be able to sleep after the experience.
Nevertheless, scientists are confident that their scientific work should help the police. In their opinion, the results of their studies should be presumed in any legal proceedings. The probability that if the witness is sure of the correctness of his choice, the suspect is indeed the culprit, regardless of sleeping an eyewitness to identify him or not.
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