mental institution

His masterpiece 'One Flew Over the Cuckoo's Nest' is the definitive cinema exploration of institutional power dynamics and human dignity within psychiatric systems.

His provocative films like 'Salò' and earlier works consistently examine institutional violence, social control, and the dehumanization of individuals within oppressive systems.

His body horror films and psychological thrillers, particularly 'The Brood' and 'Stereo,' explore mental illness, institutional confinement, and the fragmentation of the human mind through unsettling visual metaphors.