Final answer:
Dopamine neurotransmitter is strongly implicated in schizophrenia due to its regulation and dysfunction in certain brain regions.
Step-by-step explanation:
The regulation of dopamine neurotransmitter is strongly implicated in schizophrenia. Dopamine dysfunction is believed to be a major factor in the pathophysiology of schizophrenia. Increased dopamine activity in certain brain regions has been associated with symptoms of psychosis and cognitive disturbances seen in schizophrenia.