Three Essays on the Theory of Sexuality is a 1905 work by Sigmund Freud

Sigmund Freud

Sigmund Freud , born Sigismund Schlomo Freud , was an Austrian neurologist who founded the discipline of psychoanalysis...

 which advanced his theory of sexuality

Human sexuality

Human sexuality is the awareness of gender differences, and the capacity to have erotic experiences and responses. Human sexuality can also be described as the way someone is sexually attracted to another person whether it is to opposite sexes , to the same sex , to either sexes , or not being...

, in particular its relation to childhood

Childhood

Childhood is the age span ranging from birth to adolescence. In developmental psychology, childhood is divided up into the developmental stages of toddlerhood , early childhood , middle childhood , and adolescence .- Age ranges of childhood :The term childhood is non-specific and can imply a...

. Together with Interpretations of Dreams, these essays are one of Freud's most momentous and original contributions to human knowledge.
Freud's first essay, on "The Sexual Aberrations", designated 'the person from whom sexual attraction proceeds the sexual object and the act towards which the instinct tends the sexual aim ', and stressed that 'numerous deviations appear in respect of both of these - the sexual object and the sexual aim'.