Key points Delusional disorder can be hard to detect because the pathology is encapsulated and the person may seem very stable. If someone's delusion becomes believed by others and affects their ...

Delusions are a symptom of psychosis. They involve strong beliefs in something that is not true. Certain mental health conditions, such as schizophrenia and delusional disorder, often involve ...

Cotard's syndrome, a rare and intriguing neuropsychiatric condition, is principally characterised by nihilistic delusions in which individuals believe that they are dead or non-existent. Although not ...

The term “delusion” refers to a strong, consuming belief in something that is untrue. Religious delusions involve beliefs concerning religious ideologies or figures. Religious delusions differ from ...

People with schizophrenia often have delusions: false beliefs about themselves or the world around them. The types of delusions in schizophrenia can vary, but persecutory delusions are the most common ...