The brain is a predictive machine: remove reality's correction signal and it hallucinates

alfcnz · x · 2026-09-27

A viewpoint post arguing that the brain is fundamentally a predictive machine that uses reality as a correction signal — remove that signal, and it starts hallucinating.

The framing resonates with LLM behavior: models also produce confident fabrications when lacking grounding in real-world feedback, making this a useful lens for discussing generative AI hallucination mechanisms.

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