psychological theory psychoanalytic theory http://purl.bioontology.org/ontology/MESH/D011574 https://en.wikipedia.org/wiki/Category:Psychoanalytic_theory https://en.wikipedia.org/wiki/Psychoanalytic_theory Conceptual system developed by Freud and his followers in which unconscious motivations are considered to shape normal and abnormal personality development and behavior. psychanalysis psycho-analysis psychoanalysis psychoanalytic Sigmund Freud