(2015· 泰州市二模)The most complex object known to humanity is the human brain—and not only is it complexatural phenomena that science has no consciousness of.To try to replicate (复制) something that is so poorly understood may therefore seem like pride.But you have to start somewhere(IBM) and the Ecole Polytechnique Federale de Lausanne(EPFL)，in Switzerland，propose to start by replicating “in silico”，one of the brain’s building blocks.

　　In a partnership announced，the two organizations said they would be working together to build a simulation (模拟) of a structure known as a neo­cortical(新大脑皮质的)column on a type of IBM supercomputer that is currently used to study the molecular functioning of genes.If that works(模仿) a brain.(圆柱形的)element about a third of a millimeter in diameter and three millimeters long.It is these columnsas become shorthand for human intelligence.The Blue Gene/L supercomputer that will be used for the simulation consists of enough independent processors for each to be programmed to mimic an individual nerve cell in a column.

　　The EPFL’s contribution to the Blue Brain Project will be to create a digital description of how the columns behave.The database from its Brain Mind Institute will provide the raw material for the simulation.Biologists and computer scientists will then connect the artificial nerve cells up in a way that mimics nature.They will do so by assigning electrical properties(电能)to themat_will_be_no_mean_feat.Even a single nerve cell is complicated，not least because each one has about 10，000 connections with others.And nerve cells come in great variety—relying，for example，on different chemical transmitters to carry messages across those connections.Eventually，however，a digital representation of an entire column should occur.

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