How did Freud's work have an impact beyond medicine?

Freud's work significantly influenced various fields beyond medicine, including psychology, literature, and the arts. His theories on the unconscious mind, repression, and dream analysis have shaped modern understanding of human behavior and creativity. Additionally, Freud's ideas about sexuality and identity prompted cultural shifts, leading to greater discourse on these topics in society. Overall, his contributions laid the groundwork for various intellectual movements, including existentialism and postmodernism.