Dopamine hypothesis is a theory that links schizophrenia or psychosis to the dopamine levels in the brain. This theory is derived from several clinical observations and otherwise symptom related results of medication from different patients. The significant presence of dopamine level in a patient’s brain may be the strongest link in the study of patient psychosis. However, since the theory is still in clinical studies; and other factors are now being studied in relation to the change in mental state.
There are several evidences supporting the dopamine hypothesis. Firstly, the evidence comes from pharmacological studies of a group of drug called ...