Barn Owls Know When to Wait (iuSTDP part 2)

TL;DR: Noisy timing makes STDP thrash. In Part 1 we added uncertainty intervals. This post takes it to the next level and uses uncertainty as a signal to determine how much each neuron is willing to learn. When things are noisy, neurons freeze up. When the signal is good, they keep learning. No global tuning required. The Barn Owl Problem A barn owl hunts in darkness. It finds a mouse by comparing…