"It's usually quiet, but when you get delusional symptoms, your personality changes dramatically," he explained. "You make a big face or you talk a lot." Asked when her mother's delusional ...

A new study has found that delusions typically emerge before hallucinations in individuals at high risk for psychosis, overturning a long-standing belief that hallucinations drive delusional thinking.

A McGill University-led study found that people with cannabis use disorder (CUD) had elevated dopamine levels in a brain ...

But unlike schizophrenia, delusional disorder doesn’t cause any psychotic symptoms that aren’t related to a person’s main delusion. And unlike schizophrenia, people with delusional disorder ...

Some psychiatrists do not see cases of erotomania in clinical practice and may not even recognize the symptoms when they encounter them. Treating a delusional disorder can be difficult because ...

Experts say young-onset dementia is often missed as the symptoms are different and can be confused for other conditions ...