To step into the human brain is like being plunged into a pulsating bowl of psychedelic spaghetti. At least, that is the sensation visitors experience on enter-ing the Brain exhibition at the American Museum of Natural History in New York. Bursts of light rush along a gigantic jumble of salvaged wires that hang from a ten-metre-long walkway. The installation, by artist Daniel Canogar, simulates the frenetic activity of neurons as they fire electrical impulses.
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