
idea of The Psychosexual Stages of Development Developed by: Sigmund Freud (1856–1939)
Sigmund Freud, the founder of psychoanalysis, introduced the Psychosexual Stages of Development theory in the late 19th and early 20th centuries. According to Freud, human personality develops through a series of childhood stages, each centered on an erogenous zone. If a child experiences unresolved conflicts at any stage, it can lead to fixation, influencing their…