Folie à deux

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

In collections

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What Wikipedia says

Folie à deux (French for 'madness of two'), also called shared psychosis or shared delusional disorder (SDD), is a rare psychiatric syndrome in which symptoms of a delusional belief are "transmitted" from one individual to another.

Excerpt from the Wikipedia article “Folie à deux”, under the CC BY-SA 4.0 license. Read the article on Wikipedia