folie a deux

• Término francés que significa «locura a dos», utilizado en psicología para describir un trastorno delirante inducido en el que dos personas en una relación estrecha comparten el mismo delirio o creencia psicótica.

A French term meaning 'madness for two,' used in psychology to describe a shared delusional disorder where two people in a close relationship share the same delusion or psychotic belief.

1. Shared psychotic disorderC2formal

   A psychiatric syndrome in which symptoms of a delusional belief are transmitted from one individual to another, typically in a close relationship.

   Trastorno psicótico compartido

   • The couple was diagnosed with folie à deux after both developed the same paranoid delusions.
   • In cases of folie à deux, the dominant partner usually induces the delusion in the more passive one.
   • Treatment for folie à deux often involves separating the individuals and providing individual therapy.