Research map / Vision-language and multimodal / CLIP and zero-shot
What Does the Brain See? Multiview Neural Representation to Demystify the Brain-Visual Alignment
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Proposes a multiview EEG encoder (state-space temporal, learnable wavelet spectral, attention-modulated GCN spatial) aligned with frozen CLIP-ViT-H-14 image embeddings via contrastive learning with two EEG-specific regularizers, reporting state-of-the-art 200-way zero-shot decoding on THINGS-EEG.
Problem
Zero-shot visual decoding from EEG is hampered by low SNR, non-stationarity and coarse spatial resolution, and existing EEG-vision alignment methods use holistic embeddings that obscure temporal, spectral and spatial structure.
Approach
Instead of a holistic EEG embedding, encode EEG along three complementary views (input-conditioned selective state-space temporal dynamics, sample-adaptive learnable wavelet spectral decomposition with cross-frequency attention, and dynamic-adjacency GCN over electrodes), fuse them, and align to frozen CLIP embeddings with contrastive loss plus repetition-consistency and prototype-level regularize
Key results
- Within-subject 200-way zero-shot: 54.8% Top-1 and 85.6% Top-5 average over 10 subjects, +3.9 Top-1 over UBP (50.9%).
- Cross-subject (leave-one-out): 15.3% Top-1 and 45.4% Top-5, +2.9 Top-1 over UBP (12.4%).
- Cross-session (first reported for this task): 40.8% Top-1 and 78.0% Top-5 average, vs 39.7% / 71.0% for UBP.
Surprising findings
- Removing the CPCA regularizer alone leaves average Top-1 nearly unchanged (54.6 vs 54.8), while removing RCR costs more (52.9).
Limitations
- Cross-subject accuracy remains low (15.3% Top-1), indicating limited subject-invariant generalization.
- Results reported from a single fixed random seed, with no variance estimates.
- Cross-session gains over UBP are small on average (+1.1 Top-1) and absent for some subjects (e.g., Sub-02, Sub-06).
Experimental setup
Datasets: THINGS-EEG
Benchmarks: THINGS-EEG
Metrics: Top-1 accuracy Top-5 accuracy
Baselines: BraVL NICE NICE-SA NICE-GA ATM-S UMind CognitionCapturer UBP
Builds on: Mamba (selective state-space model) CLIP NICE-EEG CLIP-ViT-H-14
Closest papers by meaning
- MindAlign: Bridging EEG, Vision, and Language for Zero-Shot Visual Decoding (NeurIPS 2026 · similarity 0.94)
- Visual Decoding and Reconstruction via EEG Embeddings with Guided Diffusion (NeurIPS 2024 · similarity 0.93)
- Decoding Natural Images from EEG for Object Recognition (ICLR 2024 · similarity 0.91)
- EEG2Video: Towards Decoding Dynamic Visual Perception from EEG Signals (NeurIPS 2024 · similarity 0.90)
- Neuro-3D: Towards 3D Visual Decoding from EEG Signals (CVPR 2025 · similarity 0.90)
- Human-Aligned Image Models Improve Visual Decoding from the Brain (ICML 2025 · similarity 0.89)
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