Scientists believe they have found a way to probe the mysterious phenomenon of feeling you have witnessed something before - deja vu.
Leeds Memory Group researchers say they have gone some way to recreating the sensation in the lab using hypnosis.
... Some people with temporal lobe epilepsy report frequent deja vu.
And previous work in France has found that electrically stimulating parts of the temporal lobe can trigger a sensation of familiarity with everything a person encounters.
Professor Alan Brown, an expert in deja vu at South Methodist University in Dallas, said: "Using hypnotic suggestion to either stimulate, or simulate, a deja vu experience could potentially be a very fruitful way to explore this phenomenon. - bbc