Understanding Brain Health via Cosmological Health, and vice versa
LEFT: SECTION OF CEREBELLUM (DR. E. ZUNARELLI, UNIVERSITY HOSPITAL OF MODENA); RIGHT: SECTION OF A COSMOLOGICAL SIMULATION (VAZZA ET AL. 2019 A&A). CREDIT: UNIVERSITY OF BOLOGNA Neuroscience meets astrophysics: does the human brain look like the universe? (SciTechDaily): In their article published in Frontiers of Physics, Franco Vazza (astrophysicist at the University of Bologna) and […]

LEFT: SECTION OF CEREBELLUM (DR. E. ZUNARELLI, UNIVERSITY HOSPITAL OF MODENA); RIGHT: SECTION OF A COSMOLOGICAL SIMULATION (VAZZA ET AL. 2019 A&A). CREDIT: UNIVERSITY OF BOLOGNA

Neuroscience meets astrophysics: does the human brain look like the universe? (SciTechDaily):

In their article published in Frontiers of Physics, Franco Vazza (astrophysicist at the University of Bologna) and Alberto Feletti (neurosurgeon at the University of Verona) studied the similarities between two of nature's most difficult and complex systems: the cosmic network of galaxies. and the network of neuronal cells in the human brain.

Despite the substantial difference in scale between the two networks (over 27 orders of magnitude), their quantitative analysis, which sits at the crossroads of cosmology and neurosurgery, suggests that various physical processes can build structures characterized by levels. similar in complexity and self-surgery. organization.

The human brain works thanks to its vast neural network believed to contain around 69 billion neurons. On the other hand, the observable universe can rely on a cosmic network of at least 100 billion galaxies. In both systems, only 30% of their masses are made up of galaxies and neurons. In both systems, galaxies and neurons organize themselves into long filaments or nodes between filaments. Finally, in both systems, 70% of the mass or energy distribution is made up of components playing a seemingly passive role: water in the brain and dark energy in the observable Universe.

The study:

The quantitative comparison between the neural network and the cosmic web (Frontiers of physics):

  • From the introduction: “At the center of our view of nature are two fascinating systems: the neural network in the human brain and the cosmic network of galaxies ... Although the relevant physical interactions in the two systems above are completely different, their observation is through microscopic and telescopic techniques has captured a similar enticing morphology, to the point that it has often been noticed that the cosmic network and the neural network are alike.
  • From the discussion: “We presented a detailed comparison between the neural network and the cosmic web, two of Nature's most fascinating and complex networks, with the aim of evaluating the level of similarity between these two physical systems objectively… With the rest From the analysis presented in this work, such similarities aim to motivate the development of more powerful and discriminating algorithms to identify the analogies and differences of these fascinating systems, almost at the imaginable extremes of spatial scales in the Universe.

The study in context:


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