Delusions of grandeur, also known as grandiose delusions, cause false beliefs in personal power or fame. They are common in mental health conditions like bipolar disorder and schizophrenia. If you ...

A delusion is a fixed, relatively immutable, persistent, false belief with no basis in reality. Source: Piotr Marcinski/Shutterstock We talk often about "deluded" people: “The person on the talent ...

A shipping clerk begins to think he’s been given a secret task of geopolitical significance. A government employee believes that descriptions of a certain actor in the newspaper are actually about her ...

Delusions of grandeur, also known as grandiose delusions (GDs), are a type of delusion, or false belief. People who experience delusions of grandeur may believe they are famous, God-like, wealthy, ...