PHDéjà vu is just a brain-processing lag.
Though it hasn't been 100 percent proven, there's You do not have permission to view the full content of this post. Log in or register now. that déjà vu results when there is a split-second delay in transferring information from one side of the brain to the other, so your brain, overall, gets the information twice, essentially processing the event as having happened before. Think of it like your mind glitching and opening the same web browser twice.
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