Short answers, pulled from the story.
Horror film became a codified genre after the release of Dracula in 1931. Before that, as historian Gary D. Rhodes explained, the ideas and terminology of horror films did not yet exist as a recognized category, and the word horror was applied loosely to everything from war footage to crime melodramas.
Horror film sub-genres include body horror, slasher films, splatter films, psychological horror, supernatural horror, found footage horror, folk horror, erotic horror, extreme horror, Christmas horror, natural horror, Lovecraftian horror, teen horror, suburban gothic, and religious horror. Each focuses on distinct themes, settings, and techniques.
Studies have shown that watching horror films increases heart rate, blood pressure, and respiration. Research using functional MRI found that audiences fix attention on the same scene elements simultaneously and hold their bodies unusually still. Only approximately 10% of the American population report enjoying the physiological rush that follows watching horror films.
Music in horror films is designed to make viewers feel threatened and uncomfortable, intensifying the atmosphere created by imagery. Dissonance, atonality, and timbre experiments are standard techniques. Dissonant sound triggers a measurable two-step bodily response: an initial slowing of heart rate as the body orients to a threat, followed by a defensive increase in heart rate and skin conductance.
Film theorist Jeanne Hall has argued that horror's visual elements make it well-suited to helping audiences process historical events including the Vietnam War, the Holocaust, the AIDS epidemic, and post-September-11 pessimism. The zombie subgenre is a documented example: the earliest zombie films drew on colonial framings of Afro-Haitian spiritual practices, while Night of the Living Dead in 1968 introduced American racial dynamics by casting Duane Jones, a Black actor, as the lead.
Yes. As of 2025, only seven horror films have been nominated for the Academy Award for Best Picture, and The Silence of the Lambs is the sole winner in the genre's history.