The reward system (the mesocorticolimbic circuit) is a group of neural structures responsible for incentive salience (i.e., "wanting"; desire or craving for a reward and motivation), associative …

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Nov 21, 2025 · Reward hacking has been documented in many AI models, including those developed by Anthropic, and is a source of frustration for users. These new results suggest …

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Reward and Return ¶ The reward function is critically important in reinforcement learning. It depends on the current state of the world, the action just taken, and the next state of the world: …

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