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[Preprint]. 2024 May 31:arXiv:2405.20594v1. [Version 1]

Figure 6: Effects of sparse connections in the feedback pathway, showing task performance on MNIST.

Figure 6:

A proportion of the feedback weights in FA, DFA, SF, and PFA (but not in BP) are fixed to zero during training. Shaded regions show standard deviations across 5 seeds.