The concepts are human productions, determined under social, historical and cultural condition. They are an active part of the ethical-political relations established even within the scientific work. This paper reflects on the relationship between production of the concepts of childhood and youth and three fundamental aspects. The diverse cultural environment, complex and enhanced in its destabilizing ability of migratory flows. The need for an epistemologically psychological and sociological science capable of producing dynamic concepts that capture the object in its cultural reality. Research as active practice of understanding and production concepts. Is necessary understand the dialectic between completeness and incompleteness in children and youth. Develop communication strategies to better understand children and youth cultures. Produce readings from an open scientific work.
youth; childhood; cultures; socio-historical; psychosocial processes