Schizophrenia is the descriptive term for a group of psychotic disorders in which personal, social, and occupational functioning deteriorates as a result of disturbed thought process, strange perceptions, unusual emotional states, and motor abnormalities.
Schizophrenia symptoms can be grouped into three categories:
(i) Positive symptoms: excess of thought, emotion, and behavior.
(ii) Negative symptoms: deficit of thought, emotion, and behavior.
(iii) Psychomotor symptoms