مخطط مشبك الدوبامين والفصام

A clean, horizontal scientific illustration diagram comparing dopamine and D2 receptor activity across three side-by-side panels: [1. Healthy State], showing balanced dopamine release in the synaptic cleft; [2. Hallucination and Delusion State], showing excessive dopamine release and hyperactive D2 receptors in schizophrenia; [3. Antipsychotic Medication], showing antipsychotic drug molecules blocking D2 receptors. Educational medical infographic style, clearly depicting presynaptic and postsynaptic neurons, synaptic vesicles, neurotransmitter molecules, and receptor proteins, neutral background, crisp textbook illustration aesthetic.