Conversation so far:
what schizophrenic symptoms are decreased by drugs that selectively block the d2 dopamine receptor?
D2-blocking drugs usually alleviate delusions and hallucinations
what are the side effects of D2-blocking drugs?
Side effects from blocking the D2 receptor can include tremors, inner restlessness, muscle spasms, sexual dysfunction and, in rare cases, tardive dyskinesia, a disorder that causes repetitive, involuntary, purposeless movements.
any other side effects of D2-blocking drugs?
Side effects associated with the atypical antipsychotics include weight gain, diabetes and lipid disorders. These side effects are more often associated with clozapine and olanzapine.

Question: how are atypical antipsychotics different?
Self-contained rewrite: how are atypical antipsychotics drugs different from typical antipsychotics drugs?