Delusional Disorder

Delusional disorder, previously called paranoid disorder, is a type of serious mental illness called a psychotic disorder. People who have it can’t tell what’s real from what is imagined. Delusions are the main symptom of delusional disorder. They’re unshakable beliefs in something that isn’t true or based on reality.


Cluster Number:
Wiki Number: W053
Diagnosis: Delusional Disorder
US Patients: 1% of mental health admissions
World Patients:
Sex Ratio: M;W1½
Age Onset: Age 40
Brain Area: neurotransmitters
Symptoms: strong beliefs, despite evidence; psychotic-out of touch with reality; holds them defensively
Progression: Types: erotomanic – another loves me; grandiose, jealous, persecutory, somatic-error on a medical condition or defect.
Causes: genetic; neurotransmitter, familial component

Youtube Video: Delusions of Grandeur

Amazon or Library Book:

Tame My Viking Brain

Amazon or Library Book:

The Disordered Mind

Click the book to link or order from Amazon.

Click the book to link or order from Amazon.

Support Group:; 800-950-6264;

(National Alliance on Mental Illness)

Contact your local Social Security office for possible Disability Benefits through their Disability Determination Services,

Section 12.03.


The world-wide medical research
reports chosen for each diagnosis 

Clicking each title opens the
PubMed article’s summary-abstract.