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question:do-inflection-points-like-backtracking-and-aha-moments-in-cot-reflect-genuine-belief-changes-or-learned-stylistic-patterns

do inflection points like backtracking and 'aha' moments in CoT reflect genuine belief changes or learned stylistic patterns?

Question resolved by the correlation between inflection points and probe-detected belief shifts

Source paper

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Reasoning Theater: Disentangling Model Beliefs from Chain-of-Thought

(2026) · Siddharth Boppana · Annabel Ma · Max Loeffler · Raphaël Sarfati +4

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Findings (1)

finding

Inflection points (backtracking, 'aha' moments) occur almost exclusively in CoT responses where probes show large belief shifts, across DeepSeek-R1 671B and GPT-OSS 120B
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Empirical finding linking textual CoT behaviors to internal belief dynamics

Claims (1)

claim

Inflection points such as backtracking and 'aha' moments occur almost exclusively in responses where probes show large belief shifts, suggesting these behaviors track genuine uncertainty rather than learned reasoning theater
gates
Interpretive claim linking observable CoT behaviors to genuine internal uncertainty shifts

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cosine ≥ 0.65 · no typed edge

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