But the final decision is yet to be taken. The fish disco will be tested for another six months in 2026 to establish more evidence it works.
How the estate sees it.
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This top-down feedback loop is the core of Predictive Coding [2]. The brain isn’t passively waiting for pixels from the optic nerve. It is a “hallucination machine” constantly generating a simulation of the world. When you look at a tree, your brain predicts what it’s going to see. It compares that top-down prediction with the bottom-up sensory data from your eyes. The brain doesn’t pass the whole image up the chain; it only passes up the prediction errors (the diffs). Your conscious experience is just your brain’s best guess of reality, corrected by sensory diffs.