Exploring the puzzle of consciousness

The Wellcome Collection’s new exhibition States of Mind uses science and art to unravel mysteries from memory loss to sleepwalkingOn a crumpled sheet of tin foil in the Wellcome Collection’s conservation studio lies an odd assortment of plasticine forms. One looks suspiciously like the footprint of a chicken, another like a deformed pot, while a large, red lump bears more than a passing resemblance to a gammon joint. But the comparisons are hopelessly wide of the mark. For these are,