I cannot create a summary of the requested article because it is not found in the search results provided. The articles searched deal with other topics related to macaque visual cortex - including the robustness of neural networks, action observation, task switching, and stimulus encoding - but none of them is the article titled "Task learning increases information redundancy of neural responses in macaque visual cortex" from the journal Science, Volume 391, Number 6789, March 2026. In order to create an accurate and factual summary according to your requirements, I needed I would access the full text of this particular article.