Brian Butterworth is emeritus professor of cognitive neuropsychology at University College London, working on the genetics and neuroscience of mathematical abilities and disabilities. He is a fellow of the British Academy and the author of What Counts, as well as of several academic books. He lives in London.
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An entertaining investigation of the numerical abilities of animals and our own appetite for arithmetic The philosopher Bertrand Russell once observed that realizing that a pair of apples and the passage of two days... SEE MORE