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 ...

Cognitive models propose that paranoia and persecutory delusions arise from misinterpretation of personal experiences as threatening, driven by maladaptive beliefs, anomalous perceptions and biased ...

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 ...

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 ...

Creative individuals have fresh perceptions and may make important discoveries that only they know about. A delusion is a belief that is sustained despite what almost everyone else believes and not ...