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 ...

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 ...

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 ...

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 ...