And you already thought the human brain was staggering complex. According to scientists working at the Blue Brain Project in Switzerland, it’s even more complex than we thought.
When stimulated, virtual neurons would form a clique, with each neuron connected to another in such a way that a specific geometric object would be formed. A large number of neurons would add more dimensions, which in some cases went up to 11. The structures would organize around a high-dimensional hole the researchers called a “cavity”. After the brain processed the information, the clique and cavity vanished.
The researcher Ran Levi detailed how this process is working:
“The appearance of high-dimensional cavities when the brain is processing information means that the neurons in the network react to stimuli in an extremely organized manner. It is as if the brain reacts to a stimulus by building then razing a tower of multi-dimensional blocks, starting with rods (1D), then planks (2D), then cubes (3D), and then more complex geometries with 4D, 5D, etc. The progression of activity through the brain resembles a multi-dimensional sandcastle that materializes out of the sand and then disintegrates.”
The significance of the discovery lies in allowing us greater understanding into “one of the fundamental mysteries of neuroscience – the link between the structure of the brain and how it processes information,” elaborated Kathryn Hess in an interview with Newsweek.
The scientists look to use algebraic topography to study the role of “plasticity” which is the process of strengthening and weakening of neural connections when stimulated – a key component in how our brains learn. They see further application of their findings in studying human intelligence and formation of memories.
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