Madness and their references.

* Déjà vu — the feeling of having seen an unfamiliar thing previously
* Déjà vécu — the feeling of having experienced an unfamiliar situation previously
* Déjà visité — unaccountable knowledge of an unfamiliar place
* Déjà senti — a sense of "recollection" of an unfamiliar idea
* Jamais vu — a sense of unfamiliarity with a familiar situation
* Presque vu — inability to summon a familiar word