Which is NOT a biological factor that is common to people with schizophrenia and people with schizotypal personality disorder?

Question

Quizplus · Accepted Answer

Reduced activity of serotonin is not commonly associated with schizophrenia or schizotypal personality disorder. Instead, high dopamine activity is a more recognized factor in schizophrenia, and both conditions share structural brain abnormalities like enlarged ventricles and loss of gray matter.

Which Is NOT a Biological Factor That Is Common to People