SpatialViz-Bench: A Cognitively-Grounded Benchmark for Diagnosing Spatial Visualization in MLLMs - Wang, Siting; Pei, Minnan; Sun, Luoyang; Deng, Cheng; Li, Yuchen; Shao, Kun; Tian, Zheng; Zhang, Haifeng; Wang, Jun (International Conference on Learning Representations, 2026)