A shared psychotic disorder is a rare type of mental illness in which a healthy person starts to take on the delusions of someone who has a psychotic disorder such as schizophrenia. For example ...

Capgras syndrome affects about 20% of people with Lewy body dementia. This disorder is also called a delusion of misidentification because it's an accurate description. People with Capgras syndrome ...

A Melbourne mother suffered nearly 100 knife wounds in a horrific attack as part of two boys’ shared delusional belief they’d ...

The court was told the boy, now 17, was experiencing a very rare case of induced delusional disorder, previously known as folie a deux, with a schoolmate who was mentally unwell. The boy murdered ...

Imagine a tribe of uncontacted hunter-gatherers in the deepest Amazon rainforest. Anthropologists airdrop dozens of ...

An autistic boy who took his mother’s life as the first step in a plan to overthrow the government was experiencing a rare shared delusional disorder, a court has been told. Details of the ...