At its core, psychological horror foregrounds internal terror over physical threat. Storylines focus on the protagonist’s mental unraveling, unreliable memories, and the distortion of reality. The tension emerges from what a character cannot see or control, making the reader feel as if the dread is an invisible, pervasive force.

The genre borrows techniques from existential anxiety, claustrophobia, and social commentary. Classic examples range from Shirley Jackson’s “The Lottery” to contemporary films like “Hereditary” and “Midsommar”, each using atmosphere, character psychology, and ambiguous outcomes to sustain unease.