The Diagnostic and Statistical Manual of Mental Disorders Fourth Edition Text Revision, DSM-IV-TR describes the following five categories for schizophrenia based on the particular symptoms.
Paranoid Type People with paranoid type of schizophrenia suffered from delusions and hallucinations (mostly auditory), but they can speak logically and give appropriate emotional responses since their cognitive skills and affect are intact. These patients may have delusions and hallucinations characterized by themes of grandeur or persecution, i.e. thinking themselves as famous persons or being persecuted, so these usually make them less likely to get social support.
Disorganized Type People with disorganized schizophrenia perform disrupted speech and behavior. They may jump from topic to topic suddenly in their speech and this make their conversation illogical. Sometimes they show blunt affected or inappropriate emotional responses, for example, they may cry after listening to a joke. If they also experienced delusions and hallucinations, these false thinking and perception will appear to be fragmented and disorganized.
Catatonic Type People with catatonic type of schizophrenia will hold their bodies in specific positions for a long time. If someone tries to change their rigid gestures, they will keep their bodies in the original positions again and this is called waxy flexibility. In contract to waxy flexibility, sometimes they are excessively active. They may also display odd bodily mannerisms and facial expressions and often mimic the words or movements of others.
Undifferentiated Type People with undifferentiated type of schizophrenia suffered from the major symptoms of the disorder, but they do not fit neatly into the three subtypes mentioned above.
Residual Type People with residual type of schizophrenia have had at least one episode of schizophrenia but they no longer display major schizophrenic symptoms. They may experience...