NLA Can Read Concepts Hidden from the Model's View
Pvforpres · reddit · 2026-07-10
The author claims to have used Anthropic's NLA to capture thought traces in Llama-70B's behavior that are "invisible to the model itself."
The experimental design roughly involves:
- Splitting concepts into "conscious / unconscious" parts and separating them according to Anthropic's J-space mechanism.
- Replicating Lindsey's "Introspection Awareness" experiment by asking the model if it recognizes these concepts.
The results show:
- The model has a 100% hit rate for "conscious" concepts.
- It explicitly denies seeing concepts injected outside of J-space.
- However, NLA can still accurately read out this non-J injection.
The author shared the full conclusions in a LessWrong post.
Related event: Reproducing J-space to Read Hidden Thoughts in Llama Models(2 posts)→
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