science

Henri Legrand du Saulle

Henri Legrand du Saulle is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Henri Legrand du Saulle rather than just read about it. In short: Henri Legrand du Saulle (Dijon, 16 April 1830 – Paris, 5 May 1886) was a French psychiatrist. As a young man he worked as an assistant to Bénédict Morel (1809–1873) at Saint-Yon, and also served under Louis-Florentin Calmeil (1798–1895) at the Charenton Asylum.

Key takeaways

Henri Legrand du Saulle belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Henri Legrand du Saulle to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Henri Legrand du Saulle from memory before moving on to harder problems.

Reference excerpt

Henri Legrand du Saulle (Dijon, 16 April 1830 – Paris, 5 May 1886) was a French psychiatrist. As a young man he worked as an assistant to Bénédict Morel (1809–1873) at Saint-Yon, and also served under Louis-Florentin Calmeil (1798–1895) at the Charenton Asylum. In 1856 became a doctor to the medical faculty in Paris. Later on, he was appointed physician at the Bicêtre Hospital (replacing Prosper Lucas 1805–1885), and in 1879 succeeded Louis Delasiauve (1804–1893) as chief physician in the department for epileptics at Salpêtrière Hospital. During his career he was also associated with the Prefecture of Police, serving from 1863 as médecin-adjoint to Charles Lasègue (1816–1883). He is known for his studies on personality disorders, particularly pioneer work involving phobias and obsessive-compulsive disorders. He also performed extensive work in forensic psychiatry, being interested with the medical-judicial aspects of psychopathology.

Selected writings La folie devant les tribunaux (1864). Prisbelönt av Institutet, Pronostic et traitement d’épilepsie (1869). Le délire des persécutions (1871). La folie héréditaire (1873). Traité de médecine legale, de jurisprudence médicale et de toxicologie (1874). La folie du doute avec délire du toucher (1875). Étude médico-légale sur les épileptiques (1877). Étude clinique sur la peur des espaces (1878). Étude médico-légale sur l’interdiction des aliénés (1880). Les hystériques (1882).

References

Bibliography An Historical Dictionary of Psychiatry by Edward Shorter Psychiatrie histoire (biography in French)

External links Works by or about Henri Legrand du Saulle at the Internet Archive

Illustrations

Henri Legrand du Saulle: Henri Legrand du Saulle — Henri Legrand du Saulle

Worked examples

Example 1 — a first encounter with Henri Legrand du Saulle

Start with the simplest possible case. Write down what Henri Legrand du Saulle claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Henri Legrand du Saulle before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Henri Legrand du Saulle ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Henri Legrand du Saulle

In research: Henri Legrand du Saulle appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Henri Legrand du Saulle in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Henri Legrand du Saulle is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1830 births, 1886 deaths, French medical biography stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Henri Legrand du Saulle outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Henri Legrand du Saulle” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Henri Legrand du Saulle in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Henri Legrand du Saulle means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Henri Legrand du Saulle out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Henri Legrand du Saulle in simple terms?

Why does Henri Legrand du Saulle matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Henri Legrand du Saulle?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Henri Legrand du Saulle.