Fincher
Otaku
This, for example:
http://de.wikipedia.org/wiki/Dissoziative_Identitätsstörung
Movies like
Fight Club, Secret Window (Das geheime Fenster), and some Hollywood Detective-thriller had used it I remember.
Oldboy used an uncommon psychic disorder, too.
Maybe you know some more movies where psychic Disorders are of somewhat key importance of lead to a major twist?
http://de.wikipedia.org/wiki/Dissoziative_Identitätsstörung
Movies like
Fight Club, Secret Window (Das geheime Fenster), and some Hollywood Detective-thriller had used it I remember.
Oldboy used an uncommon psychic disorder, too.
Maybe you know some more movies where psychic Disorders are of somewhat key importance of lead to a major twist?