<prompt> deja vu meansIllusion that what one is hearing, one has heard previouslyA unfamiliar thought regarded as repetition of a previous thoughtUnfamiliar situations or events feel strangely familiarFeeling of strangeness to familiar situation  <response>: deja vu feeling of familiarity to a novel stimulus jamais vufeeling of unfamiliarity to a familiar stimulus ref. Kaplon and sadock, synopsis of psychiatry, 11th edition, pg no.194 