Hippocampus Plato had said that déjà vu is an actual real memory of events that took place in a past life that proves the theory of reincarnation and now modern science is validating Platos’ theory. Like Plato, I also believe that déjà vu is really just the recalling of memories from within. However, I would like to expand on this by stating that it comes from within our DNA in which we then process information using our minds that then creates a chemical firing in our blood. Our brains in the hippocampus (Ammon’s Horn) area uses the DNA and chemical firing in our blood which then subsequently makes us feel a vibrational intuitive sixth sense that we can actually feel on our skin or in our blood and gives the sensation we know today as, déjà vu.

There are new studies out that are indicating that which I just stated above, is in fact true. For example, since the hippocampus is associated with memory, scientist have found that when it is removed, severe amnesia occurs. In addition, patients with Alzheimer’s who have died have been found to have a severely damaged hippocampus. Hence, this science is telling us that if we are to further investigate past lives or phenomenons such as déjà vu, that we must study the brain and in particular, the hippocampus.

Scientist Joeseph Spat relates the two together in an article, Déjà vu: possible parahippocampal mechanisms;

Déjà vu experiences are common in normal subjects. In addition, they are established symptoms of temporal lobe seizures. The author argues that the phenomenon is the result of faulty and isolated activity of a recognition memory system that consists of the parahippocampal gyrus and its neocortical connections. This memory system is responsible for judgments of familiarity. The result is that a momentary perceived scene is given the characteristics of familiarity that normally accompany a conscious recollection. The normal functioning of other brain structures involved in memory retrieval–the prefrontal cortex and the hippocampus proper–leads to the perplexing phenomenological quality of déjà vu. The hypothesis accounts for many characteristics of déjà vu in healthy subjects and is well fitting with experimental findings in patients with epilepsy.

Here is a more recent quote from an article by the University of California that seems to confirm Joeseph Spat’s research on this subject:

Neuroscientists at the Picower Institute for Learning and Memory at MIT may have shed light on the neurological mechanisms that create the sensation of déjà vu. Their research focuses on the hippocampus (see Figure 1), the structure of the brain that is involved in storing memories. The researchers demonstrated that in mice one gene in the dentate gyrus (shown in Figure 2) – one region of the hippocampus – is involved in differentiating between old and new memories, a process known as pattern separation. Mice who expressed this gene were able to distinguish between two similar chambers, while mice who lacked this gene believed that similar chambers were the same.

These findings indicate that the dentate gyrus may play a role in the storage of memories as familiarity and recollection memories (McHugh et al). Hippocampal neurons known as place cells may contribute to the sensation of déjà vu. When a person views a new location, the place cells fire electrochemical signals, allowing the spatial arrangement of the setting to be recorded. When this person views a similar location, different but overlapping neurons fire. If there is a sufficient amount of overlap between the two sets of neurons, the person will feel the uncanny feeling of déjà vu (Halber).

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