People believe strange things. Or at least they say they do. One peculiar feature of some delusions is that they can lack manifest behavioral conviction. Someone may protest that they are being ...

From calling yourself "delulu" to saying you're in a "delusionship," the word delusional has become a prominent part of cultural slang. But I'm not sure it should be. With these terms being so ...

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 ...

Delusional parasitosis, or delusional infestation, is a rare psychiatric condition, where a person mistakenly thinks that they have a parasitic infestation. Although doctors find no medical evidence ...

When someone forms a belief hastily, on scant evidence, and sticks to their conclusion, we accuse them of jumping to conclusions. Cognitive and clinical psychologists who study delusions have often ...

Hallucinations are sensory experiences that seem real but aren’t, often arising from health conditions or substance use, while delusions are firm beliefs in false ideas despite contrary evidence.

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 ...

Delusions of grandeur are a symptom of mental health conditions like bipolar disorder and schizophrenia. People with this ...