[Page 49]Egocentrism is a central concept in the developmental psychology literature, with important implications for adaptation and mental health. Despite its negative moral connotation, however, it is not related to egoism. Genetic epistemologist Jean Piaget introduced egocentrism (or centration) and described it as a normal phenomenon during the course of human development. Egocentrism is defined as a heightened focus on one’s self, and it takes several forms in ontogeny. During adolescence, egocentrism is considered to be associated with pubertal changes and important developmental tasks, such as the acquisition of new mental capacities, the process of separation from parents, and the formation of individuality. Research has shown that egocentrism may be at the root of a wide variety of typical adolescent behaviors and disturbances. This entry ...