4️⃣Spatial pattern: reasoning even recruits visual cortex beyond classical language areas.

3️⃣ Temporal dynamics: reasoning peaks later (~350–400 ms) than shallow features.

2️⃣ We introduce the first "reasoning embedding", a disentangled representation that isolates reasoning from lexicon, syntax, and meaning.
- The disentangled representations are orthogonal to each other.

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TL;DR: We introduce the first "reasoning embedding" and uncover its unique spatio-temporal pattern in the brain.

🔗 arxiv.org/abs/2510.228...