![]() Now if this is what it takes to store the full physical information of neurons and their connections in one cubic millimeter of the mouse brain, you can perhaps imagine that the collection of this information from the human brain is not going to be a walk in the park.ĭata extraction and storage, however, is not the only challenge. And to do this, their automated microscopes had to collect 100 million images of 25,000 slices of the minuscule sample continuously over several months. They managed to record the corresponding information on computers, including the shape and configuration of each neuron and connection, which required two petabytes, or two million gigabytes of storage. Within this minuscule cube of brain tissue, the size of a grain of sand, the researchers counted more than 100,000 neurons and more than a billion connections between them. Two years ago, a team at the Allen Institute for Brain Science in Seattle, US, mapped the 3D structure of all the neurons (brain cells) comprised in one cubic millimeter of the brain of a mouse - a milestone considered extraordinary. For starters, we don’t actually know how much information the human brain can hold. The reality, however, is much more complicated. ![]() We often imagine that human consciousness is as simple as the input and output of electrical signals within a network of processing units - therefore comparable to a computer. ![]()
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