Edvard Munch's personal fears and anxieties inspired his painting The Scream. Which aesthetic theory does The Scream adhere to?

Edward Munich's works are often deep and moody. His works often expressed his fears, anxieties, heartache, and loss. His works symbolize his inner emotions. The scream expresses a deep fear that suddenly came over him. Munich says that he was walking with two friends at sunset. The sky turned blood red and he was suddenly gripped with a deep fear. his friends kept walking, but he stood still, unable to move with fear.