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Peter Diamandis

Computer modelling: Brain in a box

Posted in Science on 2nd Mar, 2012 08:27 PM by APM

It wasn't quite the lynching that Henry Markram had expected. But the barrage of sceptical comments from his fellow neuroscientists — “It's crap,” said one — definitely made the day feel like a tribunal.


Officially, the Swiss Academy of Sciences meeting in Bern on 20 January was an overview of large-scale computer modelling in neuroscience. Unofficially, it was neuroscientists' first real chance to get answers about Markram's controversial proposal for the Human Brain Project (HBP) — an effort to build a supercomputer simulation that integrates everything known about the human brain, from the structures of ion channels in neural cell membranes up to mechanisms behind conscious decision-making.


Markram, a South-African-born brain electrophysiologist who joined the Swiss Federal Institute of Technology in Lausanne (EPFL) a decade ago, may soon see his ambition fulfilled. The project is one of six finalists vying to win €1 billion (US$1.3 billion) as one of the European Union's two new decade-long Flagship initiatives.


Brain researchers are generating 60,000 papers per year,” said Markram as he explained the concept in Bern. “They're all beautiful, fantastic studies — but all focused on their one little corner: this molecule, this brain region, this function, this map.” The HBP would integrate these discoveries, he said, and create models to explore how neural circuits are organized, and how they give rise to behaviour and cognition — among the deepest mysteries in neuroscience. Ultimately, said Markram, the HBP would even help researchers to grapple with disorders such as Alzheimer's disease. “If we don't have an integrated view, we won't understand these diseases,” he declared.


As the response at the meeting made clear, however, there is deep unease about Markram's vision. Many neuroscientists think it is ill-conceived, not least because Markram's idiosyncratic approach to brain simulation strikes them as grotesquely cumbersome and over-detailed. They see the HBP as overhyped, thanks to breathless media reports about what it will accomplish. And they're not at all sure that they can trust Markram to run a project that is truly open to other ideas.

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Author: Guest
Posted: 2012-07-30
Varsha Posted on I was working in Mumbai for 5yrs & have some of my best meeroims there! I took pride in midnight walks on Carter Road without a worry Sadly it shattered when I read this! The Mumbai I knew stood up to wrong, believed that there was no place for cowards, was united in grief, made women feel safe (even though there were stray incidents on the train even then) & more importantly respected women! What bothers me is that the DNA of most metros is changing & suddenly taking a cab after 9pm makes me anxious! and reading about incidents like these does nothing to my morale!I watched Keenan's dad & Rueben's brother on the Times Now debate last night they were so dignified & calm! There pain is beyond what we can imagine & yet they are being so brave. I wish from that horrible night, atleast some people have the balls to come forward & be witnesses. Its Keenan & Rueben today, tomorrow it will be YOU! Reply


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