How much data can the human brain store?

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SOURCE: https://www.quora.com/How-much-data-can-the-human-brain-store-Is-there-any-limit-to-it-Can-humans-keep-storing-information-as-much-as-they-want-If-so-how

 

Brains aren’t exactly like computers, though both do handle many computations per second. An article on ThinkQuest theorizes that the brain is capable of about 100 million MIPS (million computer instructions per second), based on some complicated estimations. But there’s no way to actually measure how much processing power a human brain has, and there’s a similar problem when it comes to determining its storage space. There are a few theories, however.

One theory from an article on io9 – We come from the future. explains that there are about 100 billion neurons, and each is capable of making about 1,000 connections that represent 1,000 synapses (synapses do the work of data storage). If you multiply each of the 100 billion neurons by the 1,000 synapses, you get 100 trillion data points, or 100 terabytesof info. The problem with this theory is that each synapse could potentially hold more or less than the one byte of information assumed in this formulation.

The next theory (from the same article) estimates that the brain’s memory capacity is closer to 2.5 petabytes or 2,500 terabytes (equivalent to about three million hours of TV shows or about 2.2 trillion puppy pictures). In the theory we discussed, each synapse was responsible for one data point, but because neurons actually help with many memories at a time, this theory suggests that the number increases greatly because the data isn’t restricted to a single point.

The human brain isn’t exactly like a hard drive either. It’s not prone to filling up, although there must be a point at which it will fill because there are limits to everything physical. Plus, human memory is so prone to fading (I know mine is) that the brain probably keeps plenty of space since not everything is retained indefinitely. The brain is so complex that we’re a long way from discovering all of its mysteries, and we might never actually know how much space it has.

Citation: If the Human Brain Were a Hard Drive, What Would its Storage Capacity Be? – StorageCraft Technology Corporation

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