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Title resolution pending

URL https: //arxiv · arXiv 2512.20949

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cs.CL 1

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2026 1

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UNVERDICTED 1

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Sparse Reward Subsystem in Large Language Models

cs.CL · 2026-02-01 · unverdicted · novelty 6.0

LLM hidden states contain a sparse reward subsystem consisting of value neurons that predict state value and dopamine neurons that encode step-level temporal difference errors.

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  • Sparse Reward Subsystem in Large Language Models cs.CL · 2026-02-01 · unverdicted · none · ref 16

    LLM hidden states contain a sparse reward subsystem consisting of value neurons that predict state value and dopamine neurons that encode step-level temporal difference errors.