1) Egoism 2) Narcism 3) Narcissism 1) Egoism 2) Self-centeredness 3) Self-concern 4) Self-interest 5) Trait 
Egocentrism is characterized by preoccupation with one`s own internal world. Egocentrics regard themselves and their own opinions or interests as being the most important or valid. To them, self-relevant information is seen to be more important in shaping one’s judgments than are thoughts about others and other-relevant information. Egocentric ....
(from the article `human behaviour`) ...is preoccupied with his physical self in a world of new stimuli, so the adolescent may be preoccupied with his own thinking in a world of new ...
a term used by Jean Piaget to describe a child's selfish, self-centred behaviour, and way they look at the world. Only from their point of view.
egocentrism 1. Regarding oneself and one's own opinions or interests as most important. 2. Attempting to get personal recognition for oneself (especially by unacceptable means).
In cognitive development, the inability of a young child at the preoperational stage to take the perspective of another person.
The inability to take someone else's point of view.