Complex sentence: Anna's preoccupation with childhood analysis stems from her father's fixation on childhood psychosexual development and the Oedipus complex in males wherein he conceptualized females as defective males and unaffected by the fear of castration and therefore confused the role of sexual subordinate with dysfunction, initially.
Split into simpler sentences: Anna's preoccupation with childhood analysis stems from her father's fixation on childhood psychosexual development and the Oedipus complex in males wherein he conceptualized females as defective males, and unaffected by the fear of castration. Therefore, he confused the role of sexual subordinate with dysfunction, initially.