The neuroscience of counting Scientists recently studied how various parts of the brain affect our ability as humans to count. First they removed the left half of a subject's brain and told him to count to 10. The man said, ""2, 4, 6, 8, 10."" Scientists restored the man's left brain and tried removing the right side of the brain. Again they told him to count to 10. He said, ""1, 3, 5, 7, 9."" For the final phase of the experiment, the scientists temporarily removed the man's entire brain. Again…