Freud’s Theory of Psychosexual Development

erogenous zones, and they are associated with sexual pleasure. The principal erogenous zones are the oral, anal, and genital areas of the body.

The oral stage lasts for about two years (infancy). During this stage the infant obtains a substantial amount of pleasure from sucking, biting, chewing, and so forth. The anal stage lasts for about one or two years (the stage of the toddler). During the anal stage the toddler obtains a substantial amount of pleasure from, at times, withholding fecal matter and, at other times, expelling it. Note that this stage coincides with the time at which most children are toilet trained.

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