# Pierre Janet

Pioneering French psychologist who established dissociation and traumatic memory as foundational concepts in depth psychology.

**Lived:** 1859–1947 (b. France)
**Nationality:** French
**Training:** Studied under Jean-Martin Charcot at the Psychological Laboratory in the Salpêtrière Hospital in Paris; medical doctorate 1893
**Affiliation:** Sorbonne (lecturer in psychology, 1898); Collège de France (chair of experimental and comparative psychology, 1902–1936); Institut de France (member from 1913)

## Key works

- *De l'Automatisme Psychologique* (1889)
- *L'état mental des hystériques* (1892)
- *Obsessions and Psychasthenia* (1903)
- *The Major Symptoms of Hysteria* (1907)
- *La Médecine Psychologique* (1923)
- *From Anguish to Ecstasy* (1926)