Dual-Stream EEG Decoding for 3D Visual Perception

NeurIPS 2025 Workshop on Symmetry and Geometry in Neural Representations

Abstract

This paper explores a novel brain decoding model for 3D shape perception through a dual pathway architecture mirroring biological vision. Our bio-inspired approach implements separate decoding modules for object identity and spatial orientation, inspired by ventral and dorsal pathways, during continuous rotations. We employ circular regression for angle prediction and develop EEG-conditioned multiview diffusion for 3D reconstruction. Our approach successfully decodes both object identity and spatial orientation from EEG signals and enables 3D reconstruction from neural activity, with interpretability analyses revealing temporally structured involvement of ventral, dorsal, and motor‑related channels rather than a static ventral dominance in supporting object and angle decoding.

NeurIPS 2025 Workshop on Symmetry and Geometry in Neural Representations 2025

Authors

Masclef, N. L., Demcenko, T., Catanzaro, A., & Kosmyna, N.

False

in Publication

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