مصادر الصور
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(1-1) National Sleep Foundation.
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(1-2) Illustration by Reynold Brown.
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(1-3) Courtesy of Yukon Archives.
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(1-5) © Christie’s Images/The Bridgeman Art Library.
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(1-6) © 2011 The M. C. Escher Company, Holland. All rights reserved/www.mcescher.com.
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(2-1) © Bettmann/Corbis.
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(2-3) Graphic Courtesy of Ross Rhodes and bottomlayer.com, used by permission.
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(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, 1980).
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(3-1) From Victim of the Brain, a film by Piet Hoenderdos.
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(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 Elsevier.
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(3-3) From The Neuroscientist, 14(4), 2008, fig. 3, p. 322/ © 2008 by SAGE Publications. Reprinted by permission of SAGE Publications.
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(4-1) © Rheinisches Bildarchiv Köln.
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(4-3) Graphic courtesy of Ross Rhodes and bottomlayer.com, used by permission.
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(4-4) From B. Libet, Mind Time: The Temporal Factor in Consciousness, (Cambridge, MA: Harvard University Press, 2004).