A brand-new flexible microelectrodes array device is made with silicon and polymer MEMS technology. The device can "wrap" a single axon of a neuron with uniform curvature radius predefined by the integrated "curvature limiter". The device can measure 3-dimensional potential distribution around the axon surface. By this we are intending to verify if the assumption that an axon works as a 1-dimensional wire is correct or not. This would be the world's first attempt to measure an axon 3-dimensionally.

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