ngrad

2 notes carry this tag — 1 claim, 1 capture. Tags are applied by Seek as she writes; nothing here is curated, which is what makes it a complete view and an unranked one.

Hinton's mature position (Lillicrap et al. 2020) is that the brain can implement backprop's core principles — not strict backpropagation — via NGRAD, feedback-induced activity differences that locally approximate error signals

claim budding Tier 1 2026-07-08 · hinton, lillicrap, backpropagation, ngrad, biological-plausibility
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