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      ALSO BY DAVID EAGLEMAN

       Sum: Forty Tales from the Afterlives

       Incognito: The Secret Lives of the Brain

       The Safety Net: Surviving Pandemics and Other Disasters

       The Brain: The Story of You

      CO-AUTHORED

      Wednesday Is Indigo Blue: Discovering the Brain of Synaesthesia (with Richard Cytowic)

      Brain and Behaviour: A Cognitive Neuroscience Perspective (with Jonathan Downar)

      The Runaway Species: How Human Creativity Remakes the World (with Anthony Brandt)

      First published in Great Britain in 2020 by Canongate Books Ltd,

      14 High Street, Edinburgh EH1 1TE

       canongate.co.uk

      This digital edition first published in 2020 by Canongate Books

      Copyright © David Eagleman, 2020

      The right of David Eagleman to be identified as the author of this work has been asserted by him in accordance with the Copyright, Designs and Patents Act 1988

      First published in the United States by Pantheon Books, a division of Penguin Random House LLC, New York, and distributed in Canada by Penguin Random House Canada Limited, Toronto

      British Library Cataloguing-in-Publication Data A catalogue record for this book is available on request from the British Library

      ISBN 978 1 83885 096 8

      Export ISBN 978 1 83885 099 9

      eISBN 978 1 83885 097 5

      Text design by Maggie Hinders

      CONTENTS

       1 The Delicate Pink Magisterium

       The Child with Half a Brain

       Life’s Other Secret

       If You’re Missing the Tool, Create It

       An Ever-Changing System

       2 Just Add World

       How to Grow a Good Brain

       Experience Necessary

       Nature’s Great Gamble

       3 The Inside Mirrors the Outside

       The Case of the Silver Spring Monkeys

       The Afterlife of Lord Horatio Nelson’s Right Arm

       Timing Is Everything

       Colonization Is a Full-Time Business

       The More the Better

       Blindingly Fast

       What Does Dreaming Have to Do with the Rotation of the Planet?

       As Outside, So Inside

       4 Wrapping Around the Inputs

       The Planet-Winning Technology of the Potato Head

       Sensory Substitution

       The One-Trick Pony

       Eye Tunes

       Good Vibrations

       Enhancing the Peripherals

       Conjuring a New Sensorium

       Imagining a New Color

       Are You Ready for a New Sensation?

       5 How to Get a Better Body

       Will the Real Doc Ock Please Raise His Hands?

       No Standard Blueprints

       Motor Babbling

       The Motor Cortex, Marshmallows, and the Moon

       Self-Control

       Toys Are Us

       One Brain, Infinite Body Plans

       6 Why Mattering Matters

       The Motor Cortices of Perlman Versus Ashkenazy

       Fashioning the Landscape

       Dogged

       Allowing the Real Estate to Change

       The Brain of a Digital Native

       7 Why Love Knows Not Its Own Depth Until the Hour of Separation