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Sigmund Freud

Sigmund Freud (1856–1939) was a highly influential Austrian neurologist whose foundational work significantly shaped psychology. Fascinated by patients, primarily women, who suffered from 'hysteria' and neurosis—disorders displaying a wide variety of physical and emotional symptoms with no apparent physical cause—Freud theorized that their problems originated from the unconscious mind.

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Updated 2026-04-22

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