🧠 Scientists Discovered 11-Dimensional Structures Hidden Inside the Brain Your brain may be far more mathematically complex than you ever imagined. Scientists have discovered that groups of neurons can form intricate structures that mathematics describes using as many as 11 dimensions. The discovery came from Switzerland’s Blue Brain Project, where researchers used powerful computers and a branch of mathematics called algebraic topology to study how brain cells connect and work together. When neurons become active, they can form tightly connected groups called cliques. These connections can create complex geometric structures with multiple dimensions, including structures surrounding spaces researchers call cavities. Here is the fascinating part: these structures are not permanent. They can form as brain activity changes and then disappear again, almost like a sandcastle rising from the beach before crumbling away. Researchers also found evidence of these complex structures in experiments involving real rat brain tissue. But there is an important distinction: these 11 dimensions are mathematical descriptions of patterns in neural connections, not evidence that humans physically live in 11 dimensions. Scientists are still exploring what these structures mean for how the brain processes information. The brain contains hidden patterns that ordinary observation cannot easily reveal. Understanding them could help scientists uncover new details about how neural networks organize their activity. Source: Reimann, M. W., et al. (2017). Cliques of neurons bound into cavities provide a missing link between structure and function. Frontiers in Computational Neuroscience, 11, Article 48.