RLNF: Training AI Models on Human Preferences Directly from Brain Signals

alex_verem · x · 2026-10-30

A retweeted intro to RLNF (Reinforcement Learning with Neural Feedback): researchers claim a reliable way to train AI models to respond to human preferences purely from brain signals. Demo: a face image self-transforms into a more attractive version for the subject in real time as they view it, showing live neural preference feedback being used as a reward signal. "Your brain doesn't have an incognito mode."

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