Parts Integration is based on the idea that different aspects of ourselves are in conflict due to different perceptions and beliefs. 'Parts integration' is the process of negotiating with and integrating the disparate aspects of the self by identifying and then negotiating with the separate parts to achieve resolution of internal conflict.
Successful parts negotiation occurs by listening to and providing opportunities to meet the needs of each part, and adequately addressing their interests so that they are each satisfied with the desired outcome.
It often involves negotiating with the conflicting parts of a person to achieve resolution. Parts integration appears to be modeled on 'parts' from family therapy and has similarities to ego-state therapy in psychoanalysis in that it seeks to resolve conflicts that constitute a "family of self" within a single individual.
http://en.wikipedia.org/wiki/Neuro-linguistic_programming