To the Editor: There is no doubt that basic human sexual instincts and behavior shape culture in many ways.

In Freud's view, humans are primarily driven by sexual and aggressive instincts.

Sigmund Freud, who promoted the view that the sexual instinct is the driving force behind all human action.

In this context his concept of instinct, especially as applied to the sexual instincts, is useful.

It can become linked with the sexual instincts, and turned on to external, loved objects.

East and West become one, in faceless misery fuelled by sexual instincts.

I suppose that art is a manifestation of the sexual instinct.

She also portrays men's irresponsibility by using their sexual instincts.

Certainly not her sexual instinct: that kind of girl is quite often sexually frigid.

During this phase the sexual instincts (or libido) of a boy cause the child to desire his mother.