(1-1) National Sleep
(1-2) Illustration by Reynold
(1-3) Courtesy of Yukon
(1-5) © Christie’s Images/The Bridgeman Art
(1-6) © 2011 The M. C. Escher Company,
Holland. All rights
(2-1) © Bettmann/Corbis.
(2-3) Graphic Courtesy of Ross Rhodes and
bottomlayer.com, used by permission.
(2-4) Adapted from John A. Wheeler, ‘Beyond
the Black Hole’, in H. Woolf, ed., Some Strangeness in the Proportion. A
Centennial Symposium to
Celebrate the Achivements of Albert
Einstein (Reading, MA: Addison Wesley,
(3-1) From Victim of the
Brain, a film by Piet
(3-2) Reprinted from Olaf Blanke and Thomas
Metzinger, Trends in Cognitive
Science, 13(1), January 2009, p. 11,
figs. 3b and 3c, with permission from
(3-3) From The
Neuroscientist, 14(4), 2008, fig. 3, p.
322/ © 2008 by SAGE Publications. Reprinted by
permission of SAGE Publications.
(4-1) © Rheinisches Bildarchiv
(4-3) Graphic courtesy of Ross Rhodes and
bottomlayer.com, used by
(4-4) From B. Libet, Mind Time: The Temporal Factor in
(Cambridge, MA: Harvard University Press,