From P2P Foundation
= "affordable, hands-on way to experiment with neuroscience. Learn how the brain works! Listen to the impulses ("spikes") of neurons in real time!"
- Timothy C. Marzullo, Gregory J. Gage, “The Spiker Box: A Low Cost, Open-Source BioAmplifier for Increasing Public Participation in Neuroscience Inquiry,” in PLoS ONE 7(3), http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0030837