Neuroscience | Substance-Related Disorders скачать в хорошем качестве

Neuroscience | Substance-Related Disorders

🍐 In this episode of PodBites, Mohammed Seifuldein and Youssef Shimy unpack the complex science behind substance-related disorders, explaining how addictive substances hijack the brain’s reward circuitry and reshape behavior, motivation, and decision-making. 🎙️ Tune in to explore: • How addiction begins in the brain’s reward pathway, where dopamine travels from the ventral tegmental area (VTA) to the nucleus accumbens, reinforcing behaviors that feel rewarding • Why drugs create massive dopamine surges followed by deep crashes, driving cravings and compulsive drug use • How addiction rewires the brain through glutamate-driven drug memories, environmental triggers, and loss of frontal lobe control • Major risk factors for addiction, including genetics, early age of exposure, trauma, and underlying mental health conditions • Alcohol use disorder, including withdrawal stages, delirium tremens, and complications like Wernicke–Korsakoff syndrome and dilated cardiomyopathy • Key treatment principles for alcoholism such as thiamine before glucose, benzodiazepines for withdrawal, and medications like naltrexone, acamprosate, and disulfiram • Cannabis and its active components (THC and CBD), including effects on the amygdala, reward pathways, appetite, and long-term brain development • Stimulants such as methamphetamine and cocaine, their powerful dopamine effects, and life-threatening complications including vasoconstriction, myocardial infarction, and hyperthermia • Opioids and their mechanisms, including activation of opioid receptors, dopamine release, and the risk of fatal respiratory depression in overdose • The unique effects of psychedelics like LSD and psilocybin, which cause hallucinations and altered perception without causing classic addiction 🌟 A clear, neuroscience-driven guide to addiction, helping listeners understand how substances reshape brain circuitry, behavior, and health — and why effective treatment requires compassion, prevention, and evidence-based care.