Delusion and delirium are cognitive disorders that can profoundly affect an individual’s perception and behaviour. Despite their overlapping symptoms, they differ significantly in their nature ...

Cotard's Syndrome, also known as Cotard's Delusion, is a rare psychiatric condition characterized by the belief that one is dead, does not exist, or has lost body parts or organs. This syndrome ...

I am writing to suggest that there is another relevant disorder that merits consideration: Trump delusion syndrome. In this disorder the victim has lost the ability to perceive any of the factual ...

It refers to a rare psychiatric syndrome in which a symptom of psychosis, particularly a delusion, is transmitted from one individual to another. In 1979, the book Uncommon Psychiatric Syndromes ...

Someone with Othello syndrome may even go as far as harming the partner they suspect of cheating. (This is not listed as a separate diagnosis in the DSM, but it is related to delusional disorder.) ...