What is it called when adolescents have a heightened awareness of the importance, uniqueness, and severity of their experiences? Adolescent self-identity Imaginary audience Adolescent egocentrism Personal fable

Answer: Adolescent egocentrism

Explanation:

Adolescent egocentrism is the stage in adolescent's life where he/she tends to focus on their thought, feeling, importance, belief etc without considering other people's actual thinking about them. The fall into illusions and imagination easily and lack the ability of other's perception through their alertness towards their own-self

Other options are incorrect because self identification at adolescent stage, imagining of audience and descripting any small story about self is the example in which an adolescent tends to have alertness regarding their perception. Thus, the correct option is adolescent egocentrism.