Layer 24 (indexed at 8) of LLaMA3.1-8B on Hinting satisfies Criteria 1 and 2 under both IIT 3.0 and IIT 4.0 (temporal permutation).

Entities in the same semantic neighborhood but without a typed relation to this one — candidates for new edges or unrecognized duplicates.

• Layer 29 (indexed at 10) of LLaMA3.1-8B on Strange Stories (2 scores) satisfies Criteria 1 and 2 under IIT 4.0 (temporal permutation).finding0.887
  Third promising case from temporal permutation analysis.
• The case at approximately the 2/3 layer of LLaMA3.1-8B (Layer 24, satisfying Criteria 1 and 2) aligns with prior studies showing the 2/3 layer optimally predicts human brain activity.finding0.815
  Connects this study's results to Schrimpf et al. 2021 and Caucheteux et al. 2022/2023 findings on brain-LLM alignment.
• Math and code tasks show strongest mid-layer anchoring on LLaMA (S ≈ −1.65 at layers 8-12)finding0.811
  Task-specific E3 finding showing compositional reasoning requires deeper processing
• Systematic layer 20-28 degradation in S(ℓ) to S ≈ −2.40 by layer 27 on LLaMAfinding0.805
  Validates representational drift theory: later layers specialize for next-token prediction, increasing dr
• Factual tasks F0-F3 reach near-perfect AUROC in early-to-mid layers of Llama-3.1-8B; arithmetic tasks A1-A3 emerge much later; counting tasks F4-F5 emerge late similar to arithmetic.finding0.799
  Core empirical finding about layer-dependent truth direction emergence across task types.
• Llama-3.3-70B exhibits internal consistency-checking mechanisms that operate during inferenceclaim0.799
  Central interpretive claim of the paper supported by causal ablation and activation evidence
• Meta-LLaMA-3.1-8B-Instruct shows optimal anchoring at layer 9 (S ≈ −1.90, median peak layer ℓ* = 10 [IQR 0.384])finding0.794
  E3 result establishing the Goldilocks zone at mid-layers for LLaMA architecture
• We hypothesize that Llama-3.1-8B deploys the same base-10 addition circuitry for cyclic reasoning as it uses for general arithmetic, independent of the concept domainhypothesis0.784
  Predictive hypothesis about domain-generality of the identified mechanism