Ego n. : The conscious and permanent subject of all psychical experiences, whether held to be directly known or the product of reflective thought; -- opposed to non-ego.

Example:
At what point does having an alter Ego become a problem?

Taxonomy
ego, super-ego, Freud, Id, ego, and super-ego, unconscious, song, Child Development, Freud's, Sigmund Freud, Ego Development, The Super, Snowden, Psychology, instincts, The Ego and the Id, the Ego, band, cultural super-ego.

Defination from the web:
Ego defenses • Resistance. Important figures. Alfred Adler • Wilfred Bion. Nancy Chodorow • Erik Erikson. Ronald Fairbairn •Sándor Ferenczi ... Ego psychology. Psychology portal. This box: view • talk • edit ...