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Group Learning Neural Network Education Using SNNAP

Undergraduates studying neurobiology learn how single neurons behave either through wet lab experiments or computer simulation. Properties of synaptic transmission can also be examined using nerve muscle preparations or through computer simulations. The behavior of larger numbers of nerve cells is a topic that is typically discussed in lecture, but is more difficult to study in the laboratory. One solution to this situation is through the use of the program SNNAP (Simulator for Nerve Networks and Action Potentials). Students enrolled in an undergraduate neurobiology course were given instruction on the use of SNNAP and provided with the necessary files to construct a network consisting of five neurons. Sufficient excitatory and inhibitory synapse files were also provided so students could individually control the type and properties of each synapse. To encourage active learning, each team was instructed to pose a research question, problem or situation they want to solve or demonstrate, construct a network that would answer the question posed, and develop a three slide Powerpoint presentation showing their hypothesis, the network they constructed and their results. Each group presented their findings to the entire class. All of this was accomplished in two, 4‐hour periods. Student evaluations of this exercise were very positive. SNNAP is freely available at http://snnap.uth.tmc.edu. Sample simulations of the networks constructed are available from the author.