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© Research
Publication : PLoS biology

Spikeling: A low-cost hardware implementation of a spiking neuron for neuroscience teaching and outreach.

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in PLoS biology - 01 Oct 2018

Baden T, James B, Zimmermann MJY, Bartel P, Grijseels D, Euler T, Lagnado L, Maravall M,

Link to Pubmed [PMID] – 30365493

Link to DOI – 10.1371/journal.pbio.2006760

PLoS Biol 2018 10; 16(10): e2006760

Understanding how neurons encode and compute information is fundamental to our study of the brain, but opportunities for hands-on experience with neurophysiological techniques on live neurons are scarce in science education. Here, we present Spikeling, an open source in silico implementation of a spiking neuron that costs £25 and mimics a wide range of neuronal behaviours for classroom education and public neuroscience outreach. Spikeling is based on an Arduino microcontroller running the computationally efficient Izhikevich model of a spiking neuron. The microcontroller is connected to input ports that simulate synaptic excitation or inhibition, to dials controlling current injection and noise levels, to a photodiode that makes Spikeling light sensitive, and to a light-emitting diode (LED) and speaker that allows spikes to be seen and heard. Output ports provide access to variables such as membrane potential for recording in experiments or digital signals that can be used to excite other connected Spikelings. These features allow for the intuitive exploration of the function of neurons and networks mimicking electrophysiological experiments. We also report our experience of using Spikeling as a teaching tool for undergraduate and graduate neuroscience education in Nigeria and the United Kingdom.

https://pubmed.ncbi.nlm.nih.gov/30365493