Iscuss the nature of Realism in the film Psycho

Film techniques supported by narrative structures erases the idea and creates the reality effect. Discuss the nature of realism in the film Psycho.

(note to writer:) PLease use quotations from the film in essay and use theorists mentioned in reference to talk about narrative structure.

use the 1960s (Hitchcocks) film version please.
Roland Barthes and Vladimir Propp