How long is the coast of a neuron? Point-neuron abstraction may hide capacity

neurovium · x · 2026-10-12

Borrowing the coastline paradox, the author argues the ubiquitous point-neuron abstraction acts like a ruler: coarsen it and dendritic computation looks additive, refine it and a readout gains capacity for free. A preprint is teased with a trailer video, suggesting neural computation capacity may depend on modeling resolution.

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