IBM announces advances toward a computer that works like a human brain

Researchers from IBM and the Lawrence Berkeley National Laboratory say they have performed a computer simulation that matches the scale and complexity of a cat's brain, and project members from IBM and Stanford have developed an algorithm for mapping the human brain at new levels of detail. Eventually, scientists hope that detailed knowledge will help them build a computer that replicates the more complex working of a human brain.

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Update 11-24-2009: Appears that some of IBM's claims are being disputed.