> "Towards a Biologically Plausible Backprop" from Benjamin Scellier and Yoshua Bengio (2016) would be a recent paper on the topic. Thank you for this link; I'

> "Towards a Biologically Plausible Backprop" from Benjamin Scellier and Yoshua Bengio (2016) would be a recent paper on the topic. Thank you for this link; I've found a copy of this paper - and some others - and will be reading them with interest!