1900s: PsychoanalysisCourse Outcome #1: Assess theoretical perspectives related to human behavior, including physiological explanations for changes in behaviorSigmund Freud was an Austrian physician in the early 1900s, who believed that our behavior could be explained by the unconscious mind (Feldman, 2019)Freud proposed that we repressed our urges and desires and they try to make their way to the surface causing disordersFreud emphasized the importance of early childhood experiences Key concepts related to psychoanalysis include: transference, dream interpretation, transference, resistance and defense mechanisms