补充材料： 1. [Spiking neurons can discover predictive features by aggregate-label learning](http://science.sciencemag.org/content/351/6277/aab4113?rss=1) 2. [Shunting potential](https://www.youtube.com/watch?v=jB3sWyB8_WY) 3. [Electrical synapses: a dynamic signaling system that shapes the activity of neuronal networks](http://www.sciencedirect.com/science/article/pii/S0005273604000410) 总结： [notes](https://github.com/neuronstar/spiking-neuron-models/blob/master/limitations-srm-contd-and-coding/index.md)
