A Delusional Disorder when a person is having beliefs or perceptions that they are the ones who only think are true, but the truth is it is wrong and very illogical.
There are Six Types of Delusional Disorders, like:
- erotomanic type
- grandiose type
- jealous type
- persecutory type
- somatic type
- mixed type
This is a psychological disorder that can be caused by the imbalance of chemicals in the brain. This condition can also be caused by: alcoholism, aging, injury in the head, deafness, having a very sensitive personality and stress.