Ego state therapy is a parts-based psychodynamic approach to treat various behavioural and cognitive problems within a person.
It further indicated that Ego state therapy could not only reduce the occurrence to menstrual migraine, but participants also showed a significant reduction in both Anger and Depression on the MMPI-2.
However, Ego state therapy identifies and names facets of a patient's personality, e.g., the "frightened child" or "control freak".
After the characteristics and function of each ego state are identified, the therapist uses various psychotherapeutic techniques (e.g. behavioral, cognitive, analytic, or humanistic therapies) to achieve a kind of integration or internal diplomacy.
Through integration a person learns to put concepts together, like a shirt and a pair of trousers, to build more complex units known as clothes.
Therefore, the general principle of personality formation in which the process of separation has resulted in discrete segments, called ego states, with boundaries that are more or less permeable.
They may represent current modes of behavior and experiences or, as with hypnotic age regression, include many memories, postures, feelings, etc.