Also try reading screenplays for the films you mentioned. You can easily get them online.
Breakdown the scenes from the screenplay and play the movie alongside. It helps a lot in understanding the writer's approach.

Also you can get a good insight on screenplay writing for psychological films and breakdowns from these links :

http://thescriptlab.com/screenplay/genre/mystery-suspense
http://thescriptlab.com/screenwriting-101/screenplay/sequence-breakdowns