key developmental terms, processes and challenges

Focus specifically on the key developmental terms, processes and challenges that individuals may face up through adulthood. Why are the unconscious mind, dreams, and ego defense mechanisms important to understand from the Psychoanalytic perspective? Be sure to address the notion that Freud and the Psychodynamic and Psychoanalytic theory suggest that early stages of human development have a significant impact on our relationships and our Ego throughout the life span.