Social robotics: Beyond the uncanny valley - | The brain and illusions |

This article describes the difficulty of creating robots that mimic humans to the smallest detail - so much so that humans cannot pick the difference!

"PhysOrg.comSocial robotics: Beyond the uncanny“We're not there yet with primary human motion and behavior,” he explains. “We're also very far away from being able to simulate the human brain – even the spinal cord."