From MedicalXpress - https://medicalxpress.com/news/2017-...-universe.html :

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The image attempts to illustrate something that cannot be imaged -- a universe of multi-dimensional structures and spaces. On the left is a digital copy of a part of the neocortex, the most evolved part of the brain. On the right are shapes of different sizes and geometries in an attempt to represent structures ranging from 1 dimension to 7 dimensions and beyond. The "black-hole" in the middle is used to symbolize a complex of multi-dimensional spaces, or cavities. Researchers at Blue Brain Project report groups of neurons bound into such cavities provide the missing link between neural structure and function, in their new study published in Frontiers in Computational Neuroscience. Credit: Blue Brain Project

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For most people, it is a stretch of the imagination to understand the world in four dimensions but a new study has discovered structures in the brain with up to eleven dimensions - ground-breaking work that is beginning to reveal the brain's deepest architectural secrets.

Using algebraic topology in a way that it has never been used before in neuroscience, a team from the Blue Brain Project has uncovered a universe of multi-dimensional geometrical structures and spaces within the networks of the brain.

The research, published today in Frontiers in Computational Neuroscience, shows that these structures arise when a group of neurons forms a clique: each neuron connects to every other neuron in the group in a very specific way that generates a precise geometric object. The more neurons there are in a clique, the higher the dimension of the geometric object.

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A link to the full paper: http://journal.frontiersin.org/artic...017.00048/full