Dreams are an Act of The Memory
We dream of the memories that travel from one region to another of the brain before being stored. Dreams occur as a result of a complicated process involving the memories and the hippocampus, a brain region associated with the report that has been able to determine a Canadian scientific research. This research has also been established that the memories with which we dream can have up to one week old, and this has revealed hitherto hidden performance of memory: our memories pass from one brain region to another before being stored and dream about them during that interval.
Our daily life is the seed of our dreams. The experiences we have during the day tend to be the source of dream images that we generate during sleep. However, what are the mechanisms that allow us to build these images? And you have something to do with training images from our memory?
Both are very difficult to solve mysteries, and that dreams are a very complicated field of study. It Cannot be analyzed directly, but always through the dreamer: every minute that passes, miss more and more detail than you imagined. However, experts like Dr. Tore Nielsen, the Dream and Nightmare Laboratory, Montreal, attempts to reveal.
For years, there is much debate on this issue. The memories of people, places, activities or emotions we feel, are reflected in our dreams, but generally it is so fragmentary that we cannot predict how they will appear.
Research conducted by Nielsen revealed that the production of dreams is associated with the memories and the hippocampus region, located below the cerebral cortex and plays an important role in memory.
One characteristic of dreams is that they rarely, except in cases of post-traumatic problems, reflect a complete experience. An idea, an object, a texture that we received during the day, is what actually appears mostly in our dreams.
In addition, baptized by Freud as “day residues”, ie, memories that we are pinned in memory during the day may appear 5 or 7 days later in our dreams, has discovered Nielsen, who has called these Late memories as “the effect the range of dreams.”
Freud thought that these residues appeared in dreams the same night or after having lived, but investigations by Tore Nielsen and his team have shown these memories can last daily active longer, as explained in a recent article in Nature.
They think that this effect of the interval of dreams reflects the operation so far hidden from memory: the reappearance of memories in our dreams occurs during the storage process, when memories are transferred from one brain region to another before being archived permanently.
The memory works by association of ideas, usually. The more an item is linked with others, the easier it is to remember for us. The relationships among elements that create the dreams seem absurd from the point of view of the vigil. However, the dream of continuously creates creativity, and it seems somehow significant.
The study of dreams thus begins to appear as one of the most promising in the understanding of the mechanisms of memory: relationships among elements during sleep can give many clues.
Due to the difficulty in observing the dreams, researchers often use stimulation before sleep, with movies or virtual environments, or sensory stimulation (with smells or colors), in order to “measure” in some way reflection of these stimuli in dreams: it has been proved that dreams meet and interact with them.
It thus appears that among theorists emerge increasingly convinced that changes or alterations in the hippocampus of the brain contribute to shape the content of dreams. Images taken of brain activity during sleep support this speculation: activity in the hippocampus increases during the stage called REM (rapid eye movement) sleep.
At this stage of sleep where dreaming occurs more intense. There is much evidence, from the study of these images, which show increased activity in the hippocampus during REM sleep. However, this activity has not yet specifically linked to the organization of memory during sleep.
There are several theories about why we sleep. Some scientists say that dreams answered at random, and do not have a meaning. Are due to the structure of the brain. For Nielsen and his team, however, that structure is important, but that does not mean that dreams have no meaning.
According to them, they are a useless product, only derived from our brain activity, but have to do with the expression of our subconscious. This differs with the fact that dreams seem to occur in places spatially coherent in environments in which the dreamers interact perceptually, for example, targeting, or seeking and assimilating information, as we awake. They do not seem random. Also, the individual often finds significant and have a sense of recognition within the dream environment.
Research in sleep phase of our consciousness could respond not only to the reasons of its origin, but also the way in which autobiographical memories are consolidated over time in our minds.
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