Inner Traditions

One Park Street

Rochester, Vermont 05767

www.InnerTraditions.com

Copyright © 2007, 2008, and 2014 by Tony Wright and Graham Gynn

Originally published in 2007 by Lulu Books under the title Left in the Dark: The Biological Origins of the Fall from Grace

Second revised edition published in 2008 by Kaleidos Press

All rights reserved. No part of this book may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without permission in writing from the publisher.

Library of Congress Cataloging-in-Publication Data

Gynn, Graham, author.

[Left in the dark.]

Return to the brain of Eden : restoring the connection between neurochemistry and consciousness / Tony Wright, Graham Gynn ; foreword by Dennis J. McKenna.

        p. ; cm.

Preceded by Left in the dark / by Graham Gynn and Tony Wright. 2nd rev. ed. 2008.

Includes bibliographical references and index.

print ISBN: 978-1-62055-251-3

ebook ISBN: 978-1-62055-252-0

I. Wright, Tony, 1964– author. II. Title.

[DNLM: 1. Dominance, Cerebral—physiology. 2. Biological Evolution. 3. Brain—chemistry. 4. Diet, Vegetarian. 5. Hominidae. WL 335]

BF311

155.7—dc23

2013040633

To send correspondence to the authors of this book, mail a first-class letter to the authors c/o Inner Traditions r Bear & Company, One Park Street, Rochester, VT 05767, and we will forward the communication, or contact the authors directly at tony.wright@kaleidos.org.uk for Tony Wright and gggynn@talktalk.net for Graham Gynn and also see www.leftinthedark.org.uk.