摘要:This text displays a theoretical exploration of interaction concept, sight from the conceptual spaces of two of the historical sources of the science of the communication: Social Psychology and Phenomenological Sociology. At a first moment some of the premises and basic concepts of each one of the approaches settle down, soon to interpret the contributions that both have made to the conceptualization of interaction and communication. The reflections presented in this article comprise of the work made in the «Group towards a Possible Communicology» (GUCOM, México).