Question: What schizophrenic symptoms are decreased by drugs that selectively block the d2 dopamine receptor?
Disambiguated questions and answers: question: What schizophrenic symptoms are primarmily decreased by drugs that selectively block the d2 dopamine receptor?
What schizophrenic symptoms have limited evidence showing decrease by drugs that selectively block the d2 dopamine receptor?
answer: delusions and hallucinations
so-called "positive" symptoms
negative symptoms
apathy, lack of emotional affect, and lack of interest in social interactions
disordered thinking, reduced ability to plan and execute tasks
Natural Questions answer: psychotic (from the Wikipedia article "Dopamine hypothesis of schizophrenia")