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Scientist Claims Human Brain Could be Replicated in a Decade

by Rajashri on September 7, 2009 at 8:24 PM
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 Scientist Claims Human Brain Could be Replicated in a Decade

It may be possible to replicate human brain in 10 years time, an expert has claimed.

According to neuroscientist Professor Henry Markram of the Brain Mind Institute in Switzerland, a model that replicates the functions of the human brain is feasible in 10 years.

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"I absolutely believe it is technically and biologically possible. The only uncertainty is financial. It is an extremely expensive project and not all is yet secured," Science Daily quoted Markram as saying.

He says that the apparent complexity of the human mind is not a barrier to building a 'replica' brain.

"The brain is of course extremely complex because it has trillions of synapses, billions of neurons, millions of proteins, and thousands of genes. But they are still finite in number. Today's technology is already highly sophisticated and it allows us to reverse engineer the brain rapidly," he added.
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Today's robots can do screenings and mappings tens of thousands of times faster than human scientists and technicians.

However, a hurdle on the path to a model human brain is that 100 years of neuroscience discovery has led to millions of fragments of data and knowledge that have never been brought together and exploited fully.

"Actually no one even knows what we already understand about the brain," said Markram.

"The biggest challenge is to understand how electrical-magnetic-chemical patterns in the brain convert into our perception of reality. We think we see with our eyes, but in fact most of what we 'see' is generated as a projection by your brain. So what are we actually looking at when we look at something 'outside' of us?" the expert added.

The most exciting part of his research is putting together the hundreds of thousands of small pieces of data that his lab has collected over the past 15 years, and seeing what a microcircuit of the brain looks like.

"When we first switched it on it already started to display some interesting emergent properties. But this is just the beginning because we know now that it is possible to build it. As we progress we are learning about design secrets of our brains, which were unimaginable before.

"In fact the brain uses some simple rules to solve highly complex problems and extracting each of these rules one by one is very exciting. For example we have been surprised at finding simple design principles that allow billions of neurons to connect to each other.

"I think we will understand how the brain is designed and works before we have finished building it.

"A brain model will sit on a massive supercomputer and serve as a kind of educational and diagnostic service to society," he added.

Source: ANI
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