How Does Alfred Hitchcock Explore the Duality of Human Nature in the Film Psycho?

Alfred Hitchcock uses many ways to explore the duality of human nature in his films, especially in the 1960 horror thriller Psycho. The duality of human nature represents our inner self, aspects that are mainly opposites, the light showing good, the dark showing evil, the natural and the unnatural, are just some examples of human nature. Hitchcock explored the duality of human nature using ways such as lighting, dialogue, camera angles, music, comparing and contrasting what different characters would do when facing the same problem and individuation. …