Horror movie directors use these fascinating tricks to scare the hell out of you

Good film directors are masters of perception, directing our attention and toying with our sensory experiences to elicit emotion and advance the story. This is especially true of the best horror filmmakers. In the fascinating episode below of Movies Insider, we learn seven horror movie tricks used to build tension and scare the hell out of us:

Find out why the dark voyeur perspective is such a staple of slasher flicks. See how horror directors use negative space to make shots feel "off" and how their use of shallow focus creates discomfort in audiences. Plus, learn about the special range of low-frequency sounds in horror-movie soundtracks, which are basically programmed to put our bodies on edge.