21. Psychologist Joel Kupfersmid investigated the validity of the Oedipus complex , examining its nature and origins. 22. Freud only focused on the Oedipus complex which reflected developmental challenges that face every young boy. 23. Jack Zipes suggests that there is an underlying theme of the Oedipus complex in this action. 24. The book is notable for going into great detail of Freud's theories, especially the Oedipus Complex . 25. The concept of super-ego and the Oedipus complex is subject to criticism for its perceived sexism. 26. He was especially interested in Freud's concepts of the Oedipus Complex , castration anxiety and infantile sexuality. 27. That is not to say that the Oedipus complex is exactly the way Freud left it. 28. The latency phase originates during the phallic stage when the child's Oedipus complex begins to dissolve. 29. If correct, this would suggest that Freud's idea of the Oedipus complex had some merit to it. 30. In early childhood, prior to the Oedipus complex , an individual forms an important identification with the father.