I n the midst of the First World War, Sigmund Freud delivered a famous series of lectures at the Vienna Psychiatric Clinic. For an audience of both clinicians and laypeople, the father of ...

Why do people still discuss the relevance of Sigmund Freud’s discoveries and their impact on the 21st century? The short answer is that like Albert Einstein and Charles Darwin, Freud described a ...

Oral fixation may occur if a person’s needs are not met during a specific stage of childhood development, according to a theory introduced by psychoanalyst Sigmund Freud. Oral fixations include habits ...