Deja

Britannica Dictionary definition of DÉJÀ VU. [noncount] 1. : the feeling that you have already experienced something that is actually happening for the first time. I entered the room and immediately felt a sense of déjà vu.

How do you spell dejavu?

Déjà vu (/ˌdeɪʒɑː ˈv(j)uː/ ( listen) DAY-zhah-VOO, -⁠VEW, French: [deʒa vy] ( listen); "already seen") is a French loanword for the phenomenon of feeling as though one has lived through the present situation before.

What causes dejavu?

“Stress and exhaustion can contribute to déjà vu,” Dr. Khoury says. “But it can also be a sign of seizure disorders, migraines and disorders affecting the memory.” People who have frontotemporal dementia, for example, often experience persistent déjà vu and tend to try to rationalize the illusion.

What is the opposite of déjà vu?

Jamais vu is a phenomenon operationalised as the opposite of déjà vu, i.e. finding subjectively unfamiliar something that we know to be familiar.