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Neuron necklace | 18K gold vermeil
In 1906 the Nobel Prize in Physiology or Medicine was awarded jointly to Santiago Ramón y Cajal and Camillo Golgi, the two scientists whose decade-long disagreement about whether the brain is a continuous reticulum or a network of discrete cells settled the foundational question of neuroscience in Cajal's favour. Worn here as a 39 mm 18K gold vermeil pendant.
The Science Behind the Neuron
The neuron doctrine, the principle that the brain is composed of discrete cellular units rather than a continuous reticulum, was settled by Santiago Ramón y Cajal's silver-staining studies in the 1880s and 1890s. Cajal's silver impregnation revealed individual neurons in cortex, cerebellum, retina, and spinal cord, settling a long debate with Camillo Golgi (who maintained the reticular theory). The two shared the 1906 Nobel Prize in Physiology or Medicine. Each neuron computes through dendritic input integration, cell-body summation, and axonal action potential propagation, with myelination by oligodendrocytes (CNS) or Schwann cells (PNS) speeding conduction. Synapse counts in the human cortex run between 10¹⁴ and 10¹⁵. The diversity is enormous: pyramidal cells, interneurons, motor neurons, sensory neurons, Purkinje cells, granule cells, each tuned to a particular computational role.
Worn By
- neuroscientists at career milestones across cellular, systems, and computational subfields
- retiring neurologists or clinical neuroscience consultants closing a long career
- academic neuroscientists at major appointments or named lectureships
- graduate students at thesis defence or doctoral graduation in neuroscience
Most often given on a neuroscience graduation, on retirement from a long clinical or academic career, or on a major appointment in a neuroscience-adjacent field.
Explore Related Neuroscience Jewelry
- Neuron necklace | silver
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- Purkinje cell necklace | silver
- Sagittal brain necklace | gold vermeil
FAQ
Gold or silver neuron?
Same scale, same chain length, same neuron. Choose the finish the recipient already wears. Both versions carry the same design and the same meaning.
What did Cajal and Golgi disagree about?
Whether the nervous system is a continuous syncytium of fused cells (Golgi's reticular theory) or a network of physically separate cells communicating through specialised contacts (Cajal's neuron doctrine). Cajal won the argument with technique. His refinement of Golgi's silver-staining method revealed cell-by-cell structure in cortex, cerebellum, and retina that the reticular theory could not accommodate. The synapse, the specialised contact between neurons, was named by Sherrington in 1897 and then visualised electron-microscopically by Sanford Palay in the 1950s. The 1906 joint Nobel acknowledged the technique even as it acknowledged that Cajal's interpretation was the correct one.
What size is the pendant and what chain comes with it?
18K gold vermeil over a sterling silver core, 39 mm pendant on a 45 cm gold vermeil chain (ø 1.8 mm) with a 5 cm extender. Nickel-free and hypoallergenic. Free worldwide DHL Express in 1-5 business days, with all import duties and taxes covered. 30-day “Love It or Return It” returns.
Is there a silver version?
Yes. The same neuron is available in sterling silver at the same scale and chain length, with the silver carrying a quiet methodological link to the silver stain Golgi introduced in 1873 and Cajal refined. Many neuroscientists who own the gold version eventually pick up the silver for daily wear, or the other way round.
Neuroscience
Dive into the intricacies of the human mind with our neuroscience-inspired jewelry collection. Each piece is a tactile ode to the neural networks that shape our thoughts, memories, and consciousness. Crafted with meticulous attention to detail, our designs mirror the dendritic branches and synaptic connections that form the basis of mental activity. With these elegant pieces, wear the enigma of cognition close to your skin, offering a subtle yet profound exploration of what it means to be sentient.
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