Question: What feature is shared across first-generation (typical) antipsychotics? Need Assignment Help? Group of answer choices They act by enhancing and blocking dopaminergic effects. They act by reducing the excitability of neurons. They act by increasing synaptic transmission at dopamine and glutamate receptors. They act by blocking the reuptake of serotonin and norepinephrine. They act as selective antagonists at dopamine D2 receptors.