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Saul McLeod published Freud proposed that psychological development in childhood takes place in a series of fixed psychosexual stages: These are called psychosexual stages because each stage represents the fixation of libido roughly translated as sexual drives or instincts on a different area of the body. As a person grows physically certain areas of their body become important as sources of potential frustration erogenous zones , pleasure or both. Freud believed that life was built round tension and pleasure.
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In Freudian psychology , psychosexual development is a central element of the psychoanalytic sexual drive theory , that human beings, from birth, possess an instinctual libido sexual energy that develops in five stages. Sigmund Freud proposed that if the child experienced sexual frustration in relation to any psychosexual developmental stage, he or she would experience anxiety that would persist into adulthood as a neurosis , a functional mental disorder. Sigmund Freud — observed that during the predictable stages of early childhood development, the child's behavior is oriented towards certain parts of his or her body, e. He argued that adult neurosis functional mental disorder often is rooted in childhood sexuality, and consequently suggested that neurotic adult behaviors are manifestations of childhood sexual fantasy and desire. That is because human beings are born " polymorphous perverse ", infants can derive sexual pleasure from any part of their bodies, and that socialization directs the instinctual libidinal drives into adult heterosexuality.
Freud's Psychosexual Stages