Jean Marie Joseph Capgras (1873 in Verdun-sur-Garonne

Verdun-sur-Garonne

Verdun-sur-Garonne is a commune in the Tarn-et-Garonne department in the Midi-Pyrénées region in southern France.-References:*...

 – 1950 in Paris

Paris

Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

) was a French

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 psychiatrist who is best known for the Capgras delusion

Capgras delusion

The Capgras delusion theory is a disorder in which a person holds a delusion that a friend, spouse, parent, or other close family member has been replaced by an identical-looking impostor...

, a disorder named after him.

He worked with his mentor, Paul Sérieux

Paul Sérieux

Paul Sérieux was a French psychiatrist who was a native of Paris. He practiced medicine in several French hospitals and asylums during his career, including the Asylum of Ville-Evrard and the hospital of Sainte-Anne...

, and contributed many publications in the field of psychiatry. In 1909 they published Les Folies raisonnantes.

Capgras delusion

Capgras delusion

The Capgras delusion theory is a disorder in which a person holds a delusion that a friend, spouse, parent, or other close family member has been replaced by an identical-looking impostor...

was described in 1923 in a study published by Capgras and his intern Reboul-Lachaux.