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 ...

You know the cameras are everywhere, watching your every move. They are embedded in street lights and often confused with doorbell cameras. In the walls, lights, cars and every public space. You just ...

Delusions—fixed false beliefs—can be tricky to study. And it's not yet clear how the brain gives rise to these departures from reality. Further, there are many types of delusions. Those with ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Julia Sheffield, Ph.D., a clinical psychologist at Vanderbilt University Medical Center, has dedicated her career to solving the mysteries of psychosis. As a clinician, Sheffield, the Jack Martin, MD ...

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, ...