Mixture of Cognitive Experts in Large Vision-Language Models

• URL: http://arxiv.org/abs/2607.10796v1
• Date: Sun, 12 Jul 2026 15:09:03 GMT
• Title: Mixture of Cognitive Experts in Large Vision-Language Models
• Abstract summary: Large Vision Language Models (LVLMs) require strong reasoning over both visual and textual input.<n>Recent work suggests that cognitive elements, especially diverse representations and metacognition, correlate with better performance.<n>Key challenge is to integrate these multi-encoder experts into a trustworthy, interpretable, and coherent representation.
• Score: 21.733069302081528
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Large Vision Language Models (LVLMs) require strong reasoning over both visual and textual input. Recent work suggests that cognitive elements, especially diverse representations and metacognition, correlate with better performance. Many of the needed perceptual functions are already provided by specialized domain-specific computer vision models, which act as the perceptual subsystem for detecting objects, localizing them, inferring states, recovering spatial layout, and reading text. The key challenge is to integrate these multi-encoder experts into a trustworthy, interpretable, and coherent representation that improves verifiability and reduces hallucinations. This is difficult because vision-language questions span different cognitive levels, yet most LVLM pipelines apply the same perception-reasoning routing regardless of the demand of each query. We propose an evidence-driven multimodal reasoning framework that utilizes a Bloom-inspired taxonomy as a hierarchical reasoning protocol. The two-stage cognitive verbalization first produces a Literal Evidence Summary by decomposing expert outputs into short, atomic evidence statements. It then performs Bloom Verbalization to turn these evidence items into a staged reasoning trace, and a lightweight Reasoning Trace Module quantitatively analyzes the trace to make evidence usage and reasoning progression explicit. Through this integration, we observed several improvements in perception and reasoning abilities. Moreover, the trace module provides quantitative evidence that different queries induce different cognitive entry levels and evidence-use trajectories that enable fine-grained analysis.

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