Academic paper

Stage

Ages

Focus on Libido

Major Development

Adult Fixation Examples

Oral

0 to 1

Mouth, Tongue, Lips

Weaning off breast feeding or formula

Aggressive/Overdependence, smoking, overeating

Anal

1 to 3

Anus

Toilet Training

Orderliness, Messiness

Phallic

3 to 6

Genitals

Resolving Oedipus/Electra Complex

Deviancy, Sexual Dysfunction

Latency

6 to 12

None

Ego

Developing Defense Mechanisms

Genital

12+

Genitals

Reaching Full Sexual Maturity

If all stages were successfully completed then the person should be sexually matures and mentally healthy