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 ...

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 and hallucinations are both distortions of reality that can occur when a person is experiencing psychosis. Delusions are erroneous beliefs, like unwarranted paranoia, while hallucinations ...

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, ...

Beliefs are convictions of reality that we accept as true. They provide us with the basic mental scaffolding to understand and engage meaningfully in our world. Beliefs remain fundamental to our ...

Delusions (or strongly held false beliefs) are a common symptom for a person with dementia. They can take the form of paranoia, which makes the person feel threatened, even if there is no or little ...

Delusional disorder is primarily characterized by one or more delusions lasting for at least a month, while schizophrenia involves a broader range of psychotic symptoms, such as hallucinations and ...