Research map / Label-efficient and robust learning / Recognition and long-tail
Can fMRI reveal the representation of syntactic structure in the brain?
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| add syntactic structure features (POS/DEP, ConTreGE) to complexity metrics (ablation) | voxelwise encoding model · fMRI Harry Potter reading | brain-activity R2 | Helped |
| add ConTreGE Incomp on top of POS/DEP, complexity, punctuation (ablation) | voxelwise encoding model · fMRI language ROIs | brain-activity R2 | Helped |
| use ConTreGE Comp instead of ConTreGE Incomp (ablation) | voxelwise encoding model · fMRI language ROIs | brain-activity R2 | Hurt |
| use InConTreGE (top-down partial parses) instead of ConTreGE Incomp (ablation) | voxelwise encoding model · fMRI language ROIs | brain-activity R2 | Hurt |
| add BERT semantic embeddings on top of syntactic features (ablation) | voxelwise encoding model · fMRI language network | brain-activity R2 | Helped |
| use ConTreGE Incomp instead of POS/DEP for high-level ancestors | feature probing · Level 9 ancestor prediction | accuracy (%): 89.59 -> 90.39 | Helped |
| use POS/DEP tags instead of ConTreGE Comp for low-level ancestors | feature probing · Level 2 ancestor prediction | accuracy (%): 66.76 -> 92.23 | Helped |
| graph embeddings vs BERT on encoding semantics (lower is less semantic) | ConTreGE · GloVe prediction R2 | R2: 0.185 -> 0.020 | Helped |
Closest papers by meaning
- Probing Brain Activation Patterns by Dissociating Semantics and Syntax in Sentences (AAAI 2020 · similarity 0.92)
- Hierarchical Frequency Tagging Probe (HFTP): A Unified Approach to Investigate Syntactic Structure Representations in Large Language Models and the Human Brain (NeurIPS 2025 · similarity 0.89)
- fMRI predictors based on language models of increasing complexity recover brain left lateralization (NeurIPS 2024 · similarity 0.88)
- A Polar coordinate system represents syntax in large language models (NeurIPS 2024 · similarity 0.87)
- TopoLM: brain-like spatio-functional organization in a topographic language model (ICLR 2025 · similarity 0.86)
- Far from the Shallow: Brain-Predictive Reasoning Embedding through Residual Disentanglement (NeurIPS 2025 · similarity 0.86)
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