This document provides an overview of developments in psychoanalysis after Freud. It discusses how Freud's theory was reinterpreted and altered by neo-Freudians like Alfred Adler, Carl Jung, Karen Horney, and Erik Erikson. It also covers object relations theory developed by Melanie Klein and D.W. Winnicott. Finally, it discusses current research on attachment theory and empirical support for some key psychoanalytic concepts like the influence of early childhood experiences and the existence of unconscious mental processes.