Dopamine necklace V | sterling silver Dopamine is not about pleasure. It is about what to do next. Dopamine tells the brain what is worth repeating, what is worth pursuing, and when to expect a reward. That prediction system is what addiction hijacks, making drugs more salient than food, family, or survival. The Science Behind Dopamine Dopamine is a catecholamine neurotransmitter synthesised from tyrosine via L-DOPA. Dopamine neurons project from the ventral tegmental area (VTA) to the nucleus accumbens in the mesolimbic pathway, which encodes reward prediction error and motivation. Drugs of abuse converge on this pathway through different mechanisms but produce the same effect: supraphysiological dopamine release in the nucleus accumbens. Cocaine and amphetamines block or reverse the dopamine transporter (DAT). Opioids disinhibit VTA dopamine neurons. Nicotine directly activates nicotinic receptors on dopamine neurons. With repeated use, the dopamine system adapts: D2 receptor density decreases, dopamine baseline falls, and natural rewards become less responsive. This neuroadaptation underlies addiction's compulsive drug-seeking and the difficulty of recovery. Who Will Recognise It addiction medicine physicians and psychiatrists neuroscientists studying the mesolimbic dopamine system pharmacologists working on addiction therapeutics public health researchers in substance use disorders Explore Related Molecules Jewelry Dopamine necklace H | silver Dopamine necklace V | gold vermeil Serotonin necklace V | silver Adrenaline necklace | silver FAQ What is the vertical orientation about? The dopamine molecule has two stable geometries depending on how the catecholamine chain is oriented. Vertical and horizontal are both chemically accurate and visually distinct. The vertical version is preferred by addiction researchers for its visual profile. Why is dopamine central to understanding addiction? Because all addictive drugs converge on the mesolimbic dopamine system and create dopamine spikes that far exceed natural reward. They hack the brain's prediction system. Understanding that corruption is the foundation of addiction medicine. What size, material, and chain? Sterling silver pendant at 20 mm, nickel-free and hypoallergenic. 45 cm sterling silver chain with a 5 cm extender and lobster clasp. Ships free worldwide via DHL Express in 1-5 business days. Comes in a ready-to-gift jewelry box with the 30-day “Love It or Return It” policy. Is there a gold counterpart? Yes. Dopamine V is available in 18k gold vermeil at the same 20 mm size. Same design, same 20 mm size. Material is the only difference.
