Laura Ladekarl, Class of 2025 Dopamine, central in the brain’s reward system, plays a key role in addiction and reward processing. Studies have shown that individuals with substance use disorders (SUDs) show reduced dopamine release and fewer receptors, even after prolonged periods of abstinence from their drug of choice. Neuromelanin-sensitivity magnetic resonance imaging (NM-MRI) visualizes and quantifies the concentration of Neuromelanin (NM) in brain tissues. … Continue reading Adolescent Substance Use and Changes in Dopamine in The Brain