![]() ![]() Often feelings of déjà vu have resulted in people believing it may be a premonition of a future event. Although much work to explain the phenomena scientifically has been done, it is still a mystery what is the precise cause and subsequent brain mechanism that sets off the feeling. This appears to trigger the recollection system in tests (Gaines Lewis 2012). Further studies completed by a French team indicated that further déjà vu like events could be triggered by simultaneously stimulating the rhinal cortex and either the amygdala or the hippocampus. Through experimentation, it has been seen that déjà vu like experiences can be induced in epileptic patients when the rhinal cortex is stimulated (Gaines Lewis 2012). Other theories have attempted to place where in the brain such activity occurs. One characteristic of déjà vu is that it only occurs when we are conscious and are fully aware of it occurring. The second theory can explain this phenomena better as our long term memory system is engaged possibly giving the feeling of having experienced the new experience before. In the first theory, we are provided with an incomplete picture as to why if feels like we are reliving a past event. In another similar theory, the phenomenon of déjà vu can be explained as information is taken from our surroundings been incorrectly sent from our short-term memory to our long-term memory bypassing the normal manner in which information is sent (Gaines Lewis 2012). Déjà vu could then be mix up between the sensory input and the memory recalling output (Gaines Lewis 2012). One of the more popular theories as to why déjà vu occurs is as a result in a mismatch in the brain while the brain seeks to present a whole perception of the world with a limited sensory output. In the following article a brief analysis, a few of these studies will follow and then an attempt to answer whether this can amount to premonition. Many studies have attempted to explain how and why déjà vu occurs. With many experiencing the phenomena which occur especially regularly in those aged 15 to 25. ![]() Unlike premonition, the feeling occurs far too commonly just to dismiss as pseudoscience. The study of déjà vu however, has been one that has interested psychiatrists, neuroscientists, and psychologists for centuries. Partly because it has a history of failing to conclusively prove the paranormal actions it seeks to investigate. It is a field of study often mocked or at best ignored from regular science disciplines. Parapsychology, or also known as psi phenomena, is the study of paranormal actions like precognition and premonition (Parapsychological Association 2015). Precognition is the conscious ability to predict the future, put differently you are able to see the future or have visions of future events. For instance, a feeling of foreboding before a car accident is witnessed. The difference put forward by psychics and parapsychologists is that premonition involves an emotional response that predicts a future event. The term is often used interchangeably often to the distress of psychics. What of the feeling that you can indeed predict the future? This is often termed premonition or precognition. That feeling is déjà vu and can be defined as “…the feeling of having been somewhere or done something before despite knowing otherwise.” (Cleary 2012) Eerie most definitely but it has a name and is reportedly experienced by 60 -70% of the population (Gaines Lewis 2012). Sometimes that feeling seems much stronger as it almost seems you are able to predict the future. You know this is the first time you are doing something but it feels far too similar, so similar that you have done it already. Ever had a feeling that you were experiencing something new but had an eerie sense that you have experienced the event before.
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