A disorder characterized by a false sensory perception in the absence of an external stimulus. (nci ctcae).
Parent Term
Psychiatric disorders
Parent Definition
A group of disorders characterized by behavioral and/or psychological abnormalities, often accompanied by physical symptoms. the symptoms may cause clinically significant distress or impairment in social and occupational areas of functioning. representative examples include anxiety disorders, cognitive disorders, mood disorders and schizophrenia. (nci).