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Our understanding of how the human brain performs mathematical calculations is far from complete, but in recent years there have been many exciting breakthroughs by scientists all over the world. Now, in The Number Sense, Stanislas Dehaene offers a fascinating look at this recent research, in an enlightening exploration of the mathematical mind. Dehaene begins with the eye-opening discovery that animals-including rats, pigeons, raccoons, and
chimpanzees-can perform simple mathematical calculations, and that human infants also have a rudimentary number sense. Dehaene suggests that this rudimentary number sense is as basic to the way the brain understands the world as our perception of color or of objects in space, and, like these other abilities, our number
sense is wired into the brain. These are but a few of the wealth of fascinating observations contained here. We also discover, for example, that because Chinese names for numbers are so short, Chinese people can remember up to nine or ten digits at a time-English-speaking people can only remember seven. The book also explores the unique abilities of idiot savants and mathematical geniuses, and we meet people whose minute brain lesions render their mathematical ability useless. This new and
completely updated edition includes all of the most recent scientific data on how numbers are encoded by single neurons, and which brain areas activate when we perform calculations. Perhaps most important, The Number Sense reaches many provocative conclusions that will intrigue anyone interested in
learning, mathematics, or the mind.

"A delight."
-Ian Stewart, New Scientist

"Read The Number Sense for its rich insights into matters as varying as the cuneiform depiction of numbers, why Jean Piaget's theory of stages in infant learning is wrong, and to discover the brain regions involved in the number sense."
-The New York Times Book Review

"Dehaene weaves the latest technical research into a remarkably lucid and engrossing investigation. Even readers normally indifferent to mathematics will find themselves marveling at the wonder of minds making numbers."
-Booklist Read The Number Sense for its rich insights into matters as varying as the cuneiform depiction of numbers, why Jean Piaget's theory of stages in infant learning is wrong, and to discover the brain regions involved in the number sense. * The New York Times Book Review * From the origin of Roman numerals to the latest MRI results, everything you might like to know about numbers and the brain, as filtered through the lively and engaging brain of Stanislas Dehaene. * Discover * A delight. * Ian Stewart, New Scientist * Whether he is explaining how this neural macherinery begins its numerical magic early in infancy, how it attains the sophistication required for complex calculations, or how it misfires when the brain suffers certain types of injuries, Dehaene weaves the latest technical research into a remarkably lucid and engrossing investigation. Even readers normally indifferent to mathematics will find themselves marveling at the wonder of minds making numbers. * Booklist * This interesting and informative book sets forth the latest findings by Dehaene and other psychologists trying to determine how the brain understands and manipulates numbers and other forms of mathematical information. Included are many startling results of experiments involving animals and infants that shed light on the extent and nature of our inborn number sense. These findings, if they receive the consideration they merit, should have a major impact on the way
mathematics is taught at the elementary and secondary level. Highly recommended. * Library Journal *

The Number Sense: How the Mind Creates Mathematics, Revised and Updated Edition

Preface to the Revised and Expanded Edition ; Preface to the First Edition ; Introduction ; Part I: Our Numerical Heritage ; Chapter 1: Talented and Gifted Animals ; Chapter 2: Babies Who Count ; Chapter 3: The Adult Number Line ; Part II: Beyond Approximation ; Chapter 4: The Language of Numbers ; Chapter 5: Small Heads for Big Calculations ; Chapter 6: Geniuses and Prodigies ; Part III: Of Neurons and Numbers ; Chapter 7: Losing Number Sense ; Chapter 8: The Computing Brain ; Chapter 9: What Is a Number? ; Epilogue. The Contemporary Science of Number and Brain ; Appendix ; Notes and References ; Bibliography ; Main books consulted ; Useful web resources ; Detailed bibliography ; Index