S: (n) psychoanalysis, analysis, depth psychology (a set of techniques for exploring underlying motives and a method of treating various mental disorders; based on the theories of Sigmund Freud) "his physician recommended psychoanalysis"
S: (n) mind, head, brain, psyche, nous (that which is responsible for one's thoughts, feelings, and conscious brain functions; the seat of the faculty of reason) "his mind wandered"; "I couldn't get his words out of my head"
S: (n) noddle (an informal British expression for head or mind) "use your noddle"
S: (n) tabula rasa (a young mind not yet affected by experience (according to John Locke))