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Of All That We See, How Much Can the Brain Process?

Updated: Mar 03, 2024
Views: 13,393
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The brain can process as much as 400 billion bits of information a second, but humans are aware of only about 2,000 bits a second. In terms of visual processing, the brain can effectively process only about 1 percent of the information that it takes in. This is because of specific neurons that selectively filter out unimportant visual information.

More facts about the brain:

  • Despite the popular belief that humans use only about 10 percent of their brains, there's little scientific evidence to support this. Research suggests that almost all parts of the brain are active to some degree almost all the time.

  • Though the brain represents only about 3 percent of the body in terms of weight, it uses more than one-fifth of the body's energy.

  • The average American is thought to take in about 3.5 zettabytes of information per year. That's about 122,000 gigabytes per second — or more information than could be stored on 20 of the largest external hard drives commonly available in early 2011.
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Discussion Comments
By amypollick — On Jul 04, 2011

@anon193124: Because, even though the brain is capable of processing that much information, one has to actually *know* what to do with the information one has processed. Call it common sense, or horse sense, but just being able to assimilate that kind of information is useless unless one knows how to use it. That, I feel, is either inborn or it isn't.

By anon193124 — On Jul 04, 2011

Then why are so many people so clueless?

By vin369 — On Jul 03, 2011

122,000 gigabytes per second! Are you serious?

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