Dopamine necklace H | sterling silver A dopamine necklace for neuroscientists, psychiatrists, and anyone who recognises the molecule behind reward, motivation, and learning. The horizontal version of the molecule that tells the brain something was worth doing again, in 925 sterling silver. The Science Behind Dopamine Dopamine is a catecholamine neurotransmitter synthesised from tyrosine. The reward pathway runs from dopamine neurons in the ventral tegmental area to the nucleus accumbens in the ventral striatum. Wolfram Schultz's recordings in primates in the 1990s showed that these neurons fire not in response to reward itself but to reward prediction error, the difference between what was expected and what arrived. Dopamine signals through five receptor subtypes, all G-protein-coupled, divided into D1-like (D1, D5) and D2-like (D2, D3, D4) families. Loss of dopaminergic neurons in the substantia nigra causes the motor symptoms of Parkinson's disease. Dysregulated mesolimbic dopamine signalling is central to the neuroscience of addiction. A Meaningful Gift for Science Lovers For people who can name the receptor subtypes without effort. neuroscientists working on reward, motivation, addiction, or motor control psychiatrists, neurologists, and movement disorder specialists pharmacologists and medicinal chemists working on dopaminergic drugs PhD students and postdocs in cognitive or systems neuroscience For the colleague whose entire research programme rests on understanding why this molecule makes the brain do what it does next. Explore Related Neuroscience Jewelry Dopamine necklace H | gold vermeil Dopamine necklace V | sterling silver Serotonin necklace H | sterling silver Dopamine-Serotonin interlocked necklace | sterling silver FAQ Will a working neuroscientist actually appreciate this? Yes. Dopamine is one of the molecules people in the field carry in their heads as a chemical structure, not just a label, and getting the geometry right matters. The pendant renders the molecule with its catechol ring and ethylamine side chain in the recognisable orientation, the same shape that lives in every neuroscience textbook. People who teach this on a slide every semester tend to notice. What is the difference between the horizontal and vertical dopamine pendants? The molecule is the same. The horizontal version sits sideways on the chain, with the catechol ring and side chain extending across the chest. The vertical version stands upright. The horizontal cut tends to read as quieter and more contemporary, especially open-collar; the vertical reads more emblematic. Both are 925 sterling silver. Neither is more correct than the other, the choice is about how the piece sits. What size is the pendant and what does it ship with? The pendant is 20 mm wide, sized to read clearly without dominating the neckline. It comes on a 45 cm sterling silver chain (1.8 mm width, lobster clasp) with a 5 cm extender. Free worldwide DHL Express shipping in 1-5 business days, all import duties covered, in a ready-to-gift jewelry box. Is this just the "happy molecule" cliche, or is there more to it? The cliche misses what dopamine actually does. It is the molecule of wanting and anticipation, the chemical that tells the brain what to do next, less about pleasure itself than about pursuit. Once you know that, "happy chemical" stops being the point. Most people who buy this know the difference, which is why it tends to land well as a gift inside the field rather than outside it.