Have you ever wondered why we experience dèjà vu? Like most people, I had a theory (when I was younger) and it may have been a little crazy, unfounded and involving astral travelling. Researchers now using MRIs are putting my lousy theory on the scrap heap.
Akira O’Connor from the University of St Andrews in the UK devised a way to trigger dèjà vu in the lab, while using an MRI to map what areas of the brain are being triggered. Read more about the experiment or watch the quick video below.