Delusional disorder refers to a condition in which an individual displays one or more delusions for one month or longer. Delusional disorder is distinct from schizophrenia and cannot be diagnosed if a ...

Medically reviewed by Kira Graves, PhD Delusions of grandeur are false beliefs in which people think they are God-like, powerful, or invincible.A person with grandiose delusions can be angry and ...

A new study from Simon Fraser University researchers has found a close link between high levels of social media use and psychiatric disorders that involve delusions, such as narcissism and body ...

A new study provides a novel theory for how delusions arise and why they persist. NYU Langone Medical Center researcher Orrin Devinsky, MD, performed an in-depth analysis of patients with certain ...

First major study on ‘AI psychosis’ suggests chatbots can encourage delusions among vulnerable people A new scientific review raises concerns about how chatbots powered by artificial intelligence may ...

A delusion is a belief based on an inaccurate interpretation of reality, despite clear evidence to the contrary. A delusional disorder causes a person to have delusional thoughts for a prolonged ...

Delusions are fixed beliefs that do not change, even when a person is presented with conflicting evidence. Delusions are considered "bizarre" if they are clearly implausible and peers within the same ...