Schizotypal personality disorder. A person with schizotypal personality disorder has a difficult
time developing close relationships with other people and may hold beliefs not
shared by other people in his or her same culture. The person may also have
unusual behaviors and learning difficulties.
Delusional disorder. People with
delusional disorder believe things that cannot be proven or continue to believe
things that have been proven to be wrong or false. These false beliefs can be
about their bodies, their self-worth, or other people.
Schizoaffective disorder. People with schizoaffective disorder
have the same symptoms as people with schizophrenia. But they also have
episodes of depression and times when they feel extremely happy or have lots of
energy (mania). For more information, see the topics Depression and Bipolar
Schizophreniform disorder. People
with schizophreniform disorder have the same symptoms as people with
schizophrenia. But their illness episodes do not last as long (from 1 to 6
months), and they may not have as many problems getting along with other
In this article
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
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WebMD Medical Reference from Healthwise
August 31, 2012
This information is not intended to replace the advice of a doctor.
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