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Jack Lindsey

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14:08
2026-08-12
sourcefeed.dev
artificial-intelligence

Claude Notices Its Own Thoughts, 20% of the Time

Anthropic's interpretability team, led by Jack Lindsey, published research on arXiv (2601.01828) showing that Claude Opus 4.1 detected injected concepts in about 20% of trials, with zero false positiv…

00:47
2026-07-09
lesswrong.com
artificial-intelligence

NLAs read thoughts beyond the J-space

Anthropic's research reveals that language models can only verbally report about 10% of their internal activations, confined to a 'J-space' mental workspace. A new experiment using Natural Language Au…

20:58
2026-07-06
runtimewire.com
artificial-intelligence

Anthropic Found a Hidden Workspace Inside Claude

Anthropic published research on July 6th claiming that its AI model Claude has a hidden internal "J-space" that functions as a global workspace for silent reasoning, allowing researchers to read conce…

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