Do you remember ever thinking “Um, I think I’ve seen this happen before!” Or did you ever go like, “Omg!, I’ve done this previously!”? We call this short experience, déjà vu – an expression derived from the french meaning, “already seen”.
With it’s recurring frequency decreasing with age, only about 60% of the population have experienced the déjà vu. Apart from Stress and fatigue being another reason, scientists have found four potential sources for the appearance of this phenomena : dual processing (two cognitive processes momentarily out of sync), neurological (seizure, disruption in neuronal transmission), memory (implicit familiarity of unrecognized stimuli), and attentional (unattended perception followed by attended perception).
so what causes déjà vu?
This is still a mystery! However, there are some theories that give us an insight on what causes déjà vu.
- One side of your brain is associated with a particular skill, for instance, in most right handed people, the left side…
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