The work of the Epistemlogo of Piaget is, without a doubt some, one of the main contributions to the agreement of as the human being if it develops. Its studies, together with collaborators, in the Center of Genetic Epistemologia of Geneva had had, and have still, a deep influence on Psychologists, Pedagogos and Educadores in general and the agreement of the main results for it gotten is basic, so that the teaching activity is really productive and efficient. A basic concept inside of the piagetiana theory is of balance: the organisms livings creature would be always in search of the balance. From the notion of balance between organism and way a triad of concepts appears in the piagetiana theory that are basic and from which all the too much concepts of the theory are derived. It is understood for assimilation as being a mental process for which if they incorporate data of the experiences to the action projects to the existing operatrios projects. It is a movement of integration of the way in the organism.
It is understood for room as being a mental process for which the existing systems go to modify themselves in function of the experiences of the way. It is a movement of the organism in the direction of if submitting to the exterior requirements, adjusting it the way. To the process of regulation between assimilation and room of – the name of equelibrao. These are interactivos, therefore the fact of the citizen to integrate the data of the way and these to be assimilated allows that the projects evolve and that, therefore, they are capable to answer to the problem. Mental activities exist where it has a predominance of the assimilation (symbolic game) and others where it has a predominance of the room (imitation). ‘ is justified in one terms; ‘ abstraco reflexiva’ ‘ interioriza the dialctico process, through which the human being grows, if socializes, knows and if autodetermina (the knowledge cannot be treated as a fact but yes as a process).