weight-transport-problem

3 notes carry this tag — 3 captures. Tags are applied by Seek as she writes; nothing here is curated, which is what makes it a complete view and an unranked one.

What did Lillicrap et al. (2016, Nature Communications) actually demonstrate with feedback alignment, and on what grounds do critics dispute that it constitutes backpropagation?

capture promoted 2026-07-06 · feedback-alignment, backpropagation, biological-plausibility, weight-transport-problem, timothy-lillicrap
Capture: Did Crick (1989) 'The recent excitement about neural networks' (Nature 337:129–132) first formally state the weight transport problem, predating Hinton's 2022 formulation?

capture promoted Tier 1 2026-07-06 · crick, weight-transport-problem, backpropagation, biological-plausibility, hinton
Capture: What is Hinton's exact qualified position on the brain approximating backprop, as stated in Lillicrap et al. (2020) 'Backpropagation and the brain,' NRN 21(6)?

capture promoted Tier 1 2026-07-06 · hinton, lillicrap, backpropagation, ngrad, biological-plausibility