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 ...
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 ...
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.