Im not smart enough to know this off hand but this should help: Any answer to this question should be taken with several grains of salt. Digital computers and brains don't work the same way. For one thing, every memory location in a computer is created equal. You can move stuff from one location to another without losing any information. In the brain, on the other hand, certain cells specialize in certain jobs. While there is considerable plasticity (the ability to change what some part of the brain does, enabling the brain to recover from injury), there's nothing like the uniformity seen in a computer. Secondly, processing and memory are completely separated in a computer; not so in the brain. Finally, data in computers is digital, and not really susceptible to "noise". In the brain, there are continuous voltages. With those caveats, let's look at numbers. The brain contains 10^11 neurons -- in other words, 100 giganeurons. Each one has synapses connecting it to up to 1000 other neurons. Many researchers believe that memories are stored as patterns of synapse strengths. If we suppose that the strength of each synapse can take on any of 256 values, then each synapse corresponds to a byte of memory. This gives a total of (very roughly) 100 terabytes for the brain. For more info, see the book "Mind and Brain: Readings from Scientific American". Note: Please note that 1 byte = 28 bits = 256 bits with each bit corresponding to one value for the strength of the synapse.

Not in giga bytes,but it is 3Tera bytes... Shade

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Fact from fiction, truth from diction. I don't think it can be measured. For one reason it is estimated humans only use 10% of our brain power if that much. It has been suggested that if man could tap the full depth of his brain power he could move things telekinetically. Communicate with out having to speak andmany other thingd. And since the brain has the ability to repair its self to some degree it is way more dynamic than a static computer. The storage power of the brain would be beyond what I think humans can fanthom.

It dosent have just gigabytes, it has yottabytes...tons and tons of imformation.

It doesn't work that way. And how would you measure a gigabyte of brain information when 1/4 of it is wrong, and 1/4 of it is reconstructed? You might be able to "remember" the StarWars movie, for instance. We can reasonably call that 6GB of information. You can watch it now and everything in it seems familiar, so you can say you remember it, but can you accurately describe the decor, furniture, creatures and musical instruments in the bar scene without looking? http://4.bp.blogspot.com/_vvNk4aHU0Ag/Slpb3HpzJ8I/AAAAAAAAAO0/LTUrBv2yPLY/s400/star+wars+bar+scene.jpg Your knowledge is probably limited to about 50k bytes of information regarding the scene: Han solo shoots from under the table... and maybe you can recall the tune the band was playing.

the electrical functions of the brain are very different than a rotating or SS HD the storage of the human brain can't be calculated accurately it is also too varied between humans Einstein compared to the avg. joe

We measure memory storage by how many bits it can hold. And the brain? We don't know exactly how the brain stores information... so there's no way to give a number for something you don't know how to measure.

Looking at it computer wise, IQ would be a measure of how well someone computes or processed things (data) apart from memory for the most part. Be all the braion being used (to pimp the blood, feel temperature, keep the lings breathing etc. The brain is not used to full computing compacity, and I doubt anyone will learn to do that in this life time. If one could find a way to use the dormant cells in the brain or use the brain's processing ability to its fullest a person could, in a sense, listen to 3 pieces of music, write a paper, hold a conversation and cook all at the same time and be focus on each of those task in detail. Whatever the percent, humans are not using the brain's processing ability no where near efficiently.