Sigmund and Jacob Freud, 1864

Photograph of Sigmund Freud with his father Jacob taken in 1864 when he was 8 years old. Sigmund Freud born Sigismund Schlomo Freud (1856-1939), Austrian psychologist. Freud theorized that mental illness could have psychological as well as physiological causes. He believed that the mind contains conscious and unconscious levels. Bad memories are repressed and stored unconsciously, but may still affect behavior. Freud studied the unconscious by analyzing subjects dreams. These studies led him to believe that sexual impulses were responsible for neuroses. Freud is considered one of the great creative thinkers of modern times although his work remains controversial

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1856 Cause Conscious Controversial Freud Impulses Mental Neuroses Physiological Psychoanalysis Psychoanalyst Psychological Psychologist Psychology Psychotherapist Psychotherapy Repressed Repression Sigismund Sigmund Thinker Unconscious

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