January 03, 2021

Your Brain is Like The Universe

The human brain is literally one of the most complex structures known in the Universe – which is itself the greatest of all complexity.Your brain is the most complex organ in the universe. It is estimated to have over 86 billion neurons (also called nerve cells or brain cells), which is about the number of stars in the Milky Way Galaxy.

Each neuron is connected to other neurons by up to 40,000 individual connections (called synapses) between cells. Multiplying 100 billion neurons times 40,000 synapses is equivalent to the brain having more connections in it than there are stars in the universe. A piece of brain tissue the size of a grain of sand contains 100,000 neurons and 1 billion synapses, all communicating with one another.

The Universe is networked as well. While we may think of space as objects separated by vast tracts of…well…space, that’s not entirely the case. The Universe we see with our scientific equipment is referred to as the “Observable Universe” approximately 90 BILLION light years in diameter and containing on the order of hundreds of billions to a few trillion galaxies. These galaxies, like our Milky Way, collections of billions of stars (200 - 400 Billion) , are themselves grouped into galaxy clusters. Our Milky Way is part of the “Local Group” which contains the neighbouring Andromeda and Triangulum galaxies as well as 50 other galaxies. Those galaxies are in turn part of a larger group called the Vir


go Supercluster. The space between groups and clusters is not empty but rather hosts connecting filaments of both ordinary and dark matter that stretch for millions of light years. In this way, the Universe can be thought of as a giant network of galaxy clusters all interconnected similarly to neural networks in the brain. That network is called the Cosmic Web.

Some studies achieved by Vazz and Feletti found “remarkable” similarities between both the brain and the Universe. They also found that the networks were more like each other than other biological and physical structures including tree branches, the dynamics of cloud formation, or water turbulence.

Hereafter you can see the number of the Neurons for some animals:

Fruit Fly: 100 Thousands of neurons 

cockroach: 1 Million of neurons

Rat : 75 Million of neurons 

Cat : 1 Billion of Neurons 

chimpanzees: 7 Billion of neurons 

Elephant : 23 Billion of neurons

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