Psychological Thriller Conventions.

* Central theme of identity - mistaken identity, stolen identity, dual identity, doppel gangers, confused identity and amnesia.
* Perception and reality - Seeing the narrative from the perspective of multiple characters, a character having a different perspective of what is and isn't real compared to the norm established in the film.
* Memory - The torture of an individual with a traumatic memory, the trauma of a specific lost memory.
* Stream of consciousness - This is a devise often used in psychological thrillers to give an insight into the psyche of a particular character usually the main character.
* Unreliable narrator - Psychological thrillers often play on the idea of the inherent trust placed in the narrator or the character that the narrator follows.
* Technical devices - Flashbacks and repetition in editing is common.
* Imagery - Eyes are a frequent motif.