The<unk>  is a theory of the origins of hysteria published jointly by Josef Breuer and Sigmund Freud in their Preliminary communication of 1893, subsequently reprinted as the first chapter of Studies on Hysteria (1895). For Breuer and Freud, who characterised the<unk>  as a<unk>  of absence of mind/consciousness produced by intense daydreams of a mournful or sexual nature, "the existence of<unk> s forms the foundation and condition of hysteria".
Hypnoid state
Emergence delirium
Excited delirium
Exploding head syndrome
Transient epileptic amnesia
Fatal insomnia
Dancing mania
Masked depression