http://en.wikipedia.org/wiki/Psychological_thriller

Psychological thriller is a specific sub-genre of the broad ranged thriller with heavy focus on characters. However, it often incorporates elements from the mystery and drama genre, along with the typical traits of the thriller genre. In addition to drama and mystery, Many psychological thrillers contain elements of, and often overlap with, the horror genre, particularly psychological horror.


Characters are no longer reliant on physical strength to overcome their brutish enemies (which is often the case in typical action-thrillers), but rather are reliant on their mental resources, whether it be by battling wits with a formidable opponent or by battling for equilibrium in the character's own mind.