“After this, the frontal decision-making areas of the brain effectively checks to see whether or not this signal is consistent with what is possible. However, most of the main competing theories share the same idea: déjà vu occurs when areas of the brain (such as the temporal lobe) feed the mind's frontal regions signals that a past experience is repeating itself. Unfortunately, there is no single agreed model that explains exactly what happens in the brain during déjà vu. This is to be expected because your memory involves millions and billions of neurones. "In a healthy person, such misremembering is going to happen every day. It's a sign that the fact-checking brain regions are working well, preventing you from misremembering events. “For the vast majority of people, experiencing déjà vu is probably a good thing. As O’Connor argues, déjà vu occurs when the frontal regions of the brain attempt to correct an inaccurate memory.
However, neuroscientists have determined that this memory illusion isn’t a sign of an unhealthy brain – it’s by no means a memory error. Unfortunately, as far as we know, the 60 per cent of people who report feeling déjà vu in their lives haven’t just experienced a glitch in the Matrix. What is déjà vu, according to neuroscience?
#Deja vu store full
So what happens in the brain during déjà vu? And why do some people experience this phenomenon more than others? In case you’ve drawn a blank, you can familiarise yourself with our full guide below. “Most healthy people don’t tend to believe the sensation of familiarity and change their behaviour – like Neo in The Matrix, they logically know something isn’t right.”
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