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2 gb according to my mate Antony

*Edit* Lol, try something like 2 Terabytes and you are still going to be very far from the truth. I don't think that it is possible (yet) to evaluate the capacity of the human brain. The fact is that a person can remember hundreds of movies, songs, books, events from the past, pictures, faces, names, phone numbers, etc., that if all those memories had to be put on a hard drive, terabytes upon terabytes wouldn't be enough.

A quote from some researchers.

"The human brain contains about 50 billion to 200 billion neurons

(nobody knows how many for sure), each of which interfaces with 1,000

to 100,000 other neurons through 100 trillion (10 14) to 10

quadrillion (10 16) synaptic junctions. Each synapse possesses a

variable firing threshold which is reduced as the neuron is repeatedly

activated. If we assume that the firing threshold at each synapse can

assume 256 distinguishable levels, and if we suppose that there are

20,000 shared synapses per neuron (10,000 per neuron), then the total

information storage capacity of the synapses in the cortex would be of

the order of 500 to 1,000 terabytes. (Of course, if the brain's

storage of information takes place at a molecular level, then I would

be afraid to hazard a guess regarding how many bytes can be stored in

the brain. One estimate has placed it at about 3.6 X 10 19 bytes.)"

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14y ago
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6mo ago

The human brain's memory capacity is not definitively known, but it is estimated to be around 2.5 petabytes (or 2.5 million gigabytes). This estimate is based on the total number of neurons and synapses in the brain. However, it is important to note that the brain's storage and retrieval of memories is complex and not fully understood.

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12y ago

Yet neurons combine so that each one helps with many memories at a time, exponentially increasing the brain's memory storage capacity to something closer to around 2.5 petabytes (or a million gigabytes). For comparison, if your brain worked like a digital video recorder in a television, 2.5 petabytes would be enough to hold three million hours of TV shows.

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14y ago

The human brain has been estimated to contain 50-100 billion neurons, each neuron is a nerve cell

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12y ago

there can be roughly 2.5 zettabytes stored in the human brain

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12y ago

30 gb per cell

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Q: How much human brain memory capacity?
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How much can a human brain carry?

The human brain has a tremendous capacity for storing information. While it is difficult to quantify exactly how much information the brain can hold, it is estimated to have a storage capacity of around 2.5 petabytes (or 2.5 million gigabytes). This is roughly equivalent to 3 million hours of television shows. However, it's important to note that memory storage is a complex process and can vary greatly among individuals.


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The human brain can store a vast amount of information, estimated to be the equivalent of about 2.5 petabytes of data. However, the exact capacity of the brain's memory is not definitively known, as it can vary based on individual differences and other factors.


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