Jean-Martin Charcot

Jean-Martin Charcot was born on 29 November 1825 in Paris, the son of a modest carriage builder. Family lore holds that the brothers competed to decide who would inherit the workshop and who would study; Jean-Martin won the books and the rest of his life pointed in only one direction. He earned his Paris medical degree on scholarship and in 1862, at thirty-six, became chief physician at the Salpetriere, a vast charitable hospital then housing some five thousand poor elderly women and patients with chronic neurological and psychiatric disease. He called it "a great asylum of human misery" but also a museum of nervous disorders. For thirty-three years he mined those wards with a clinico-anatomical method that paired patient observation at the bedside with detailed autopsy correlation, and built modern neurology not as a collection of cases but as a system.

The first pillar of his work is the systematic description of disease. In 1868 he named multiple sclerosis "sclerose en plaques" and identified the triad of nystagmus, intention tremor and scanning speech still taught to medical students today. His studies between 1868 and 1881 rehabilitated James Parkinson's 1817 essay on the shaking palsy and gave the illness both its modern name and its rigidity-bradykinesia-tremor framework. Charcot's name remains attached to at least fifteen medical eponyms — Charcot-Marie-Tooth disease, Charcot joint, the Charcot-Bouchard aneurysm of the perforating arteries, amyotrophic lateral sclerosis which is still called "maladie de Charcot" in France. He pioneered photography and drawing as clinical recording tools and trained students from all over Europe. In 1882 he secured Europe's first university chair of clinical diseases of the nervous system.

The second pillar was his study of hysteria and hypnosis. He initially treated hysteria as a hereditary neurological vulnerability and held that hypnosis could reliably reproduce its four-stage attacks: tonic immobility, clonic convulsion, attitudes passionnelles and a terminal phase. He called this "grand hypnotisme" and distinguished it sharply from the "petit hypnotisme" of suggestion. His public Tuesday Lessons (Lecons du mardi) drew not only physicians but novelists, painters and Parisian society; Andre Brouillet's 1887 group portrait A Clinical Lesson at the Salpetriere shows Charcot steadying his star patient Blanche Wittmann onstage before an enraptured audience. Hippolyte Bernheim of the Nancy School countered that the entire spectacle was produced by suggestion and could be reproduced on healthy subjects, and the 1889 International Congress of Hypnotism in Paris effectively ruled in Nancy's favor. Charcot's late letters concede that hysteria was probably a psychological condition after all — a striking late-life revision by a man who had built his international fame on the opposite claim.

His influence is most visible in the pupils who passed through his wards. Sigmund Freud studied at the Salpetriere during the winter of 1885-86 on a traveling fellowship and translated Charcot's lectures into German on his return to Vienna; the trip seeded his pivot from neurology to the unconscious and to the psychogenic understanding of symptoms that would become psychoanalysis. Pierre Janet became Charcot's direct successor in the hospital and the founder of modern dissociation research, opening a parallel line of inquiry into hysteria, somnambulism and trauma that twentieth-century clinicians from Henri Ellenberger to Bessel van der Kolk would draw on a century later. Georges Gilles de la Tourette gave his name, by Charcot's deliberate honorific gesture, to the tic disorder still called Tourette syndrome. Alfred Binet would go on to invent the first practical intelligence test. Joseph Babinski systematized the clinical reflex examination, Pierre Marie continued the work on Charcot-Marie-Tooth disease, and William James carried elements of Charcot's clinical attitude back to American psychology. Even the Spanish neurological school around Cajal sent its young men through Paris and bears the Salpetriere stamp.

The legacy is not without shadows. Critics from his own time and from ours argue that the Tuesday lectures veered into theater and that Blanche Wittmann's performances were rehearsed by junior staff. Writings by Charcot and especially by his pupil Henry Meige on a supposed Jewish predisposition to nervous disease were later appropriated by Edouard Drumont's antisemitic press during the Dreyfus years, and historians of science such as Ian Hacking have spent careful pages trying to disentangle clinical observation from the ambient prejudice of the period. Edward Shorter's History of Psychiatry would dismiss him as "quite lacking in common sense and grandiosely sure of his own judgement." Charcot himself died of a heart attack on 16 August 1893 at Lake Settons in the Morvan, while on a short summer holiday with two colleagues. His own warning — that "we see only what we are ready to see, what we have been taught to see" — reads in retrospect as the most accurate verdict on his own most famous demonstrations, and as a permanent piece of clinical hygiene for every physician and researcher who came after him.