The Human Brain can create structures in up to 11 dimensions
The scientists discovered that the structures inside the brain are created when a group of neurons – cells that transmit signals in the brain – form something referred to as a clique. Each neuron is connected to every other neuron in the group in a unique way, creating a new object. The more neurons there are in a clique, the higher the ‘dimension’ of the object.
Algebraic topography allowed the scientists to model the structures within a virtual brain, created with the help of computers. They then carried out experiments on real brain tissue, in order to verify their results.
By adding stimuli into the virtual brain, the researchers found that cliques of progressively HIGHER dimensions assembled. Furthermore, in between the cliques, scientists discovered cavities.
“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,” explained Levi.
“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,” he added.
The new data about the human brain offers unprecedented insight into how the human brain processes information.
However, the scientists have said that it still remains unclear as to how the cliques and cavities form in their highly specific ways.
The new study may eventually help scientists uncover one of the greatest mysteries of neuroscience: where does the brain ‘store’ its memories.
“They may be ‘hiding’ in high-dimensional cavities,” Markram concluded.