Experimental research on dreaming: State of the art and neuropsychoanalytic perspectives

Frontiers in Psychology

Volumn 2, Issue NOV, 2011, Pages

  Ruby, Perrine M ^a,b  

^a LYON NEUROSCIENCE RESEARCH CENTER   (France)

^b UNIVERSITÉ LYON 1   (France)

Author keywords

Dream; Dream functions; Neuroimaging; Neurophysiological correlates of dreaming; Personal meaning; Psychoanalysis; Unconscious

Indexed keywords

EID: 84867046736     PISSN: None     EISSN: 16641078     Source Type: Journal    
DOI: 10.3389/fpsyg.2011.00286     Document Type: Review

References (135)

1. Adolphs, R. (2008). Fear, faces, and the human amygdala. Curr. Opin. Neurobiol. 18, 166-172.
2. Arminjon, M. (2011). The four postulates of Freudian unconscious neurocognitive convergences. Front. Psychol. 2:125. doi:10.3389/fpsyg.2011.00125.
3. Aserinsky, E., and Kleitman, N. (1953). Regularly occurring periods of eye motility, and concomitant phenomena, during sleep. Science 118, 273-274.
4. Belicki, K., Hunt, H., and Kelly, P. (1978). The function of dream and dreamer variables in the question of dream recall. Sleep Res. 7, 167.
5. Berger, R. J. (1961). Tonus of extrinsic laryngeal muscles during sleep and dreaming. Science 134, 840.
6. Blagrove, M., Henley-Einion, J., Barnett, A., Edwards, D., and Heidi Seage, C. (2011). A replication of the 5-7 day dream-lag effect with comparison of dreams to future events as control for baseline matching. Conscious. Cogn. 20, 384-391.
7. Blagrove, M., and Pace-Schott, E. F. (2010). Trait and neurobiological correlates of individual differences in dream recall and dream content. Int. Rev. Neurobiol. 92, 155-180.
8. Braun, A. R., Balkin, T. J., Wesensten, N. J., Gwadry, F., Carson, R. E., Varga, M., Baldwin, P., Belenky, G., and Herscovitch, P. (1998). Dissociated pattern of activity in visual cortices and their projections during human rapid eye movement sleep. Science 279, 91-95.
9. Braun, A. R., Balkin, T. J., Wesenten, N. J., Carson, R. E., Varga, M., Baldwin, P., Selbie, S., Belenky, G., and Herscovitch, P. (1997). Regional cerebral blood flow throughout the sleepwake cycle. An H215O PET study. Brain 120(Pt 7), 1173-1197.
10. Buchsbaum, M. S., Hazlett, E. A., Wu, J., and Bunney, W. E. Jr. (2001). Positron emission tomography with deoxyglucose-F18 imaging of sleep. Neuropsychopharmacology 25, S50-S56.
11. Bulkeley, K., and Kahan, T. L. (2008). The impact of September 11 on dreaming. Conscious. Cogn. 17, 1248-1256.
12. Bunce, S. C., Bernat, E., Wong, P. S., and Shevrin, H. (1999). Further evidence for unconscious learning: preliminary support for the conditioning of facial EMG to subliminal stimuli. J. Psychiatr. Res. 33, 341-347.
13. Butler, S. F.,and Watson, R. (1985). Individual differences in memory for dreams: the role of cognitive skills. Percept. Mot. Skills 61, 823-828.
14. Calkins, M. W. (1893). Statistics of dreams. Am.J. Psychol.5, 311-343.
15. Cartwright, R., Luten, A., Young, M., Mercer, P., and Bears, M. (1998a). Role of REM sleep and dream affect in overnight mood regulation: a study of normal volunteers. Psychia-try Res. 81, 1-8.
16. Cartwright, R., Young, M. A., Mercer, P., and Bears, M. (1998b). Role of REM sleep and dream variables in the prediction of remission from depression. Psychiatry Res. 80, 249-255.
17. Cavallero, C., Cicogna, P., Natale, V., Occhionero, M., and Zito, A. (1992). Slow wave sleep dreaming. Sleep 15, 562-566.
18. Cicogna, P. C., Natale, V., Occhionero, M., and Bosinelli, M. (1998). A comparison of mental activity during sleep onset and morning awakening. Sleep 21, 462-470.
19. Cohen, D. B. (1971). Dream recall and short-term memory. Percept. Mot. Skills 33, 867-871.
20. Connor, G. N., and Boblitt, W. M. E. (1970). Reported frequency of dream recall as a function of intelligence and various personality test factors. J. Clin. Psychol. 26, 438-439.
21. Cory, T. L., and Ormiston, D. W. (1975). Predicting the frequency of dream recall. J. Abnorm. Psychol. 84, 261-266.
22. Darsaud, A., Wagner, U., Balteau, E., Desseilles, M., Sterpenich, V., Vandewalle, G., Albouy, G., Dang-Vu, T., Collette, F., Boly, M., Schabus, M., Degueldre, C., Luxen, A., and Maquet, P. (2011). Neural precursors of delayed insight. J. Cogn. Neurosci. 23, 1900-1910.
23. De Gennaro, L., Ferrara, M., Cristiani, R., Curcio, G., Martiradonna, V., and Bertini, M. (2003). Alexithymia and dream recall upon spontaneous morning awakening. Psychosom. Med. 65, 301-306.
24. Decety, J., Perani, D., Jeannerod, M., Bettinardi, V., Tadary, B., Woods, R., Mazziotta, J. C., and Fazio, F. (1994). Mapping motor representations with positron emission tomography. Nature 371, 600-602.
25. Dement, W., and Kleitman, N. (1957a). Cyclic variations in EEG during sleep and their relation to eye movements, body motility, and dreaming. Elec-troencephalogr. Clin. Neurophysiol. 9, 673-690.
26. Dement, W., and Kleitman, N. (1957b). The relation of eye movements during sleep to dream activity: an objective method for the study of dreaming. J. Exp. Psychol. 53, 339-346.
27. Diekelmann, S., and Born, J. (2010). The memory function of sleep. Nat. Rev. Neurosci. 11, 114-126.
28. Domhoff, G. W., and Schneider, A. (2008). Studying dream content using the archive and search engine on DreamBank.net. Con-scious. Cogn. 17, 1238-1247.
29. Esposito, M. J., Nielsen, T. A., and Paquette, T. (2004). Reduced alpha power associated with the recall of mentation from Stage 2 and Stage REM sleep. Psychophysiology 41, 288-297.
30. Fisher, C., Gorss, J., and Zuch, J. (1965). Cycle of penile erection synchronous with dreaming (Rem) sleep. Preliminary report. Arch. Gen. Psychiatry 12, 29-45.
31. Fitch, T., and Armitage, R. (1989). Variations in cognitive style among high and low frequency dream recallers. Pers. Individ. dif. 10, 869-875.
32. Foulkes, W. D. (1962). Dream reports from different stages of sleep. J. Abnorm. Soc. Psychol. 65, 14-25.
33. Freud, S. (1967). L'interprétation des rẽves (I. Meyerson, Trans.). Paris: PUF. (Original work published 1900).
34. Freud, S. (1920). A General Introduction to Psychoanalysis. NewYork:Boni and Liveright publishers.
35. Goodenough, D. R., Lewis, H. B., Shapiro, A., Jaret, L., and Sleser, I. (1965). Dream reporting following abrupt and gradual awakenings from different types of sleep. J. Pers. Soc. Psychol. 56, 170-179.
36. Greenberg, R., Katz, H., Schwartz, W., and Pearlman, C. (1992). A researchbased reconsideration of the psychoanalytic theory of dreaming. J. Am. Psychoanal. Assoc. 40, 531-550.
37. Hall, C. S., and Van de Castle, R. L. (1966). The Content Analysis of Dreams. New York: Appleton-Century-Crofts.
38. Hartmann, E. (1989). Boundaries of dreams, boundaries of dreamers: thin and thick boundaries as a new personality measure. Psychiatr. J. Univ. Ott. 14, 557-560.
39. Hartmann, E., Elkin, R., and Garg, M. (1991). Personality and dreaming: the dreams of people with very thick or very thin boundaries. Dreaming 1, 311-324.
40. Hartmann, E., Russ, D., Oldfield, M., Falke, R., and Skoff, B. (1980). Dream content: effects of l-DOPA. Sleep Res. 9, 153.
41. Hill, C. E., Diemer, R. A., and Heaton, K. J. (1997). Dream interpretation sessions: who volunteers, who benefits, and what volunteer clients view as most and least helpful. J. Couns. Psychol. 44, 53-62.
42. Hiscock, M., and Cohen, D. (1973). Visual imagery and dream recall. J. Res. Pers. 7, 179-188.
43. Hobson, J. A. (1988). The Dreaming Brain. New York: Basic Books.
44. Hobson, J. A., and McCarley, R. W. (1977). The brain as a dream-state generator: an activation-synthesis hypothesis of the dream process. Am. J. Psychiatry 134, 1335-1348.
45. Hobson, J. A., and Pace-Schott, E. F. (2002). The cognitive neuroscience of sleep: neuronal systems, consciousness and learning. Nat. Rev. Neurosci. 3, 679-693.
46. Hobson, J. A., Pace-Schott, E. F., and Stickgold, R. (2000). Dreaming and the brain: toward a cognitive neuroscience of conscious states. Behav. Brain Sci. 23, 793-842.
47. Hobson, J. A., Stickgold, R., and Pace-Schott, E. F. (1998). The neuropsychology of REM sleep dreaming. Neuroreport 9, R1-R14.
48. Hoelscher, T. J., Klinger, E., and Barta, S. G. (1981). Incorporation of concernand nonconcern-related verbal stimuli into dream content. J. Abnorm. Psychol. 90, 88-91.
49. Hong, C. C., Gillin, J. C., Dow, B. M., Wu, J., and Buchsbaum, M. S. (1995). Localized and lateralized cerebral glucose metabolism associated with eye movements during REM sleep and wakefulness: a positron emission tomography (PET) study. Sleep 18, 570-580.
50. Hong, C. C., Harris, J. C., Pearlson, G. D., Kim, J. S., Calhoun, V. D., Fallon, J. H., Golay, X., Gillen, J. S., Simmonds, D. J., van Zijl, P. C., Zee, D. S., and Pekar, J. J. (2009). fMRI evidence for multisensory recruitment associated with rapid eye movements during sleep. Hum. Brain Mapp. 30, 1705-1722.
51. Jouvet, M. (1991). Le sommeil paradoxal: est-il le gardien de l'individuation psychologique ? Can. J. Psychol. 45, 148-168.
52. Jouvet, M. (1992). Le sommeil et le rêve. Paris: Odile Jacob.
53. Jouvet, M. (1998). Paradoxical sleep as a programming system. J. Sleep Res. 7(Suppl. 1), 1-5.
54. Jouvet, M., and Michel, F. (1959). Corrélations électromyographique du sommeil chez le Chat décortiqué et mésencéphalique chronique. C. R. Seances Soc. Biol. Fil. 153, 422-425.
55. Jouvet, M., Michel, F., and Courjon, J. (1959). Sur un stade d'activité électrique cérébrale rapide au cours du sommeil physiologique. C. R. Seances Soc. Biol. Fil. 153, 1024-1028.
56. Kahn, D., Pace-Schott, E. F., and Hobson, J. A. (1997). Consciousness in waking and dreaming: the roles of neuronal oscillation and neuromodulation in determining similarities and differences. Neuroscience 78, 13-38.
57. Kerr, N., Foulkes, D., and Jurkovic, G. (1978). Reported absence of visual dream imagery in a normally sighted subject with Turner's syndrome. J. Ment. Imagery 2, 247-264.
58. Klimesch, W. (1999). EEG alpha and theta oscillations reflect cognitive and memory performance: a review and analysis. Brain Res. Brain Res. Rev. 29, 169-195.
59. Koechlin, E., and Hyafil, A. (2007). Anterior prefrontal function and the limits of human decision-making. Science 318, 594-598.
60. Kosslyn, S. M., and Thompson, W. L. (2003). When is early visual cortex activated during visual mental imagery? Psychol. Bull. 129, 723-746.
61. Koulack, D. (1969). Effects of somatosensory stimulation on dream content. Arch. Gen. Psychiatry 20, 718-725.
62. Koulack, D., and Goodenough, D. R. (1976). Dream recall and dream recall failure: an arousal-retrieval model. Psychol. Bull. 83, 975-984.
63. Kubota, Y., Takasu, N. N., Horita, S., Kondo, M., Shimizu, M., Okada, T., Wakamura, T., and Toichi, M. (2011). Dorsolateral prefrontal cortical oxygenation during REM sleep in humans. Brain Res. 1389, 83-92.
64. Legrand, D., and Ruby, P. (2009). What is self-specific? Theoretical investigation, and critical review of neuroimaging results. Psychol. Rev. 116, 252-282.
65. Mahowald, M. W., and Schenck, C. H. (2000). "REM sleep parasomnias, "in Principles and Practice of Sleep Med-icine, eds M. H. Kryger, T. Roth, and W. C. Dement (Philadelphia: W.B. Saunders), 724-741.
66. Maquet, P., Laureys, S., Peigneux, P., Fuchs, S., Petiau, C., Phillips, C., Aerts, J., Del Fiore, G., Degueldre, C., Meulemans, T., Luxen, A., Franck, G., Van Der Linden, M., Smith, C., and Cleeremans, A. (2000). Experiencedependent changes in cerebral activation during human REM sleep. Nat. Neurosci. 3, 831-836.
67. Maquet, P., Peters, J., Aerts, J., Delfiore, G., Degueldre, C., Luxen, A., and Franck, G. (1996). Functional neuroanatomy of human rapid-eyemovement sleep and dreaming. Nature 383, 163-166.
68. Maquet, P., Ruby, P., Maudoux, A., Albouy, G., Sterpenich, V., Dang-Vu, T., Desseilles, M., Boly, M., Perrin, F., Peigneux, P., and Laureys, S. (2005). Human cognition during REM sleep and the activity profile within frontal and parietal cortices: a reappraisal of functional neuroimaging data. Prog. Brain Res. 150, 219-227.
69. Maquet, P., Schwartz, S., Passingham, R., and Frith, C. (2003). Sleeprelated consolidation of a visuomotor skill: brain mechanisms as assessed by functional magnetic resonance imaging. J. Neurosci. 23, 1432-1440.
70. Michel, F., and Sieroff, E. (1981). Une approche anatomo-clinique des déficits de l'imagerie onirique, est-elle possible? Sleep: Proceedings of an International Colloquium. Milan: Carlo Erba Formitala.
71. Miyauchi, S., Misaki, M., Kan, S., Fukunaga, T., and Koike, T. (2009). Human brain activity time-locked to rapid eye movements during REM sleep. Exp. Brain Res. 192, 657-667.
72. Nausieda, P., Weiner, W., Kaplan, L., Weber, S., and Klawans, H. (1982). Sleep disruption in the course of chronic levodopa therapy: an early feature of the levodopa psychosis. Clin. Neuropharmacol. 5, 183-194.
73. Nielsen, T. A. (2000). A review of mentation in REM and NREM sleep: "covert" REM sleep as a possible reconciliation of two opposing models. Behav. Brain Sci. 23, 851-866.
74. Nielsen, T. A., Kuiken, D., Alain, G., Stenstrom, P., and Powell, R. A. (2004). Immediate and delayed incorporations of events into dreams: further replication and implications for dream function. J. Sleep Res. 13, 327-336.
75. Nielsen, T. A., Levrier, K., and Montplaisir, J. (2011). Dreaming correlates of alexithymia among sleepdisordered patients. Dreaming 21, 16-31.
76. Nielsen, T. A., Ouellet, L., Warnes, H., Cartier, A., Malo, J. L., and Montplaisir, J. (1997). Alexithymia and impoverished dream recall in asthmatic patients: evidence from selfreport measures. J. Psychosom. Res. 42, 53-59.
77. Nielsen, T. A., and Stenstrom, P. (2005). What are the memory sources of dreaming? Nature 437, 1286-1289.
78. Nielsen, T. A., Zadra, A. L., Simard, V., Saucier, S., Stenstrom, P., Smith, C., and Kuiken, D. (2003). The typical dreams of Canadian university students. Dreaming 13, 211-235.
79. Nir, Y., and Tononi, G. (2010). Dreaming and the brain: from phenomenology to neurophysiology. Trends Cogn. Sci. (Regul. Ed.) 14, 88-100.
80. Nofzinger, E. A., Mintun, M. A., Wiseman, M., Kupfer, D. J., and Moore, R. Y. (1997). Forebrain activation in REM sleep: an FDG PET study. Brain Res. 770, 192-201.
81. Okada, H., Matsuoka, K., and Hatakeyama, T. (2000). Dreamrecall frequency and waking imagery. Percept. Mot. Skills 91(3 Pt 1), 759-766.
82. Oudiette, D., Leu, S., Pottier, M., Buzare, M. A., Brion, A., and Arnulf, I. (2009). Dreamlike mentations during sleepwalking and sleep terrors in adults. Sleep 32, 1621-1627.
83. Pagel, J. F. (2003). Non-dreamers. Sleep Med. 4, 235-241.
84. Palagini, L., Gemignani, A., Feinberg, I., Guazzelli, M., and Campbell, I. G. (2004). Mental activity after early afternoon nap awakenings in healthy subjects. Brain Res. Bull. 63, 361-368.
85. Peigneux, P., Laureys, S., Fuchs, S., Collette, F., Perrin, F., Reggers, J., Phillips, C., Degueldre, C., Del Fiore, G., Aerts, J., Luxen, A., and Maquet, P. (2004). Are spatial memories strengthened in the human hippocampus during slow wave sleep? Neuron 44, 535-545.
86. Peigneux, P., Laureys, S., Fuchs, S., Delbeuck, X., Degueldre, C., Aerts, J., Delfiore, G., Luxen, A., and Maquet, P. (2001). Generation of rapid eye movements during paradoxical sleep in humans. Neuroimage 14, 701-708.
87. Petrides, M. (2005). Lateral prefrontal cortex: architectonic and functional organization. Philos. Trans. R. Soc. Lond. B Biol. Sci. 360, 781-795.
88. Piolino, P., Desgranges, B., and Eustache, F. (2009). Episodic autobiographical memories over the course of time: cognitive, neuropsychological and neuroimaging findings. Neuropsychologia 47, 2314-2329.
89. Raymond, I., Nielsen, T. A., Lavigne, G., and Choinière, M. (2002). Incorporation of pain in dreams of hospitalized burn victims. Sleep 25, 765-770.
90. Rechtschaffen, A. (1978). The singlemindedness and isolation of dreams. Sleep 1, 97-109.
91. Revonsuo, A. (2000). The reinterpretation of dreams: an evolutionary hypothesis of the function of dreaming. Behav. Brain Sci. 23, 877-901; discussion 904-1121.
92. Richardson, A. (1979). Dream recall frequency and vividness of visual imagery. J. Ment. Imagery 3, 65-72.
93. Ruby, P., Collette, F., D'Argembeau, A., Peters, F., Degueldre, C., Balteau, E., Luxen, A., Maquet, P., and Salmon, E. (2009). Perspective taking to assess self personality: what is modified in Alzheimer's disease? Neurobiol. Aging 30, 1637-1651.
94. Ruby, P., and Decety, J. (2001). Effect of subjective perspective taking during simulation of action: a PET investigation of agency. Nat. Neurosci. 4, 546-550.
95. Ruby, P., and Decety, J. (2003). What you believe versus what you think they believe: a neuroimaging study of conceptual perspective-taking. Eur. J. Neurosci. 17, 2475-2480.
96. Ruby, P., and Decety, J. (2004). How would you feel versus how do you think she would feel? A neuroimaging study of perspective-taking with social emotions. J. Cogn. Neurosci. 16, 988-999.
97. Ruby, P., Schmidt, C., Hogge, M., D'Argembeau, A., Collette, F., and Salmon, E. (2007). Social mind representation: where does it fail in frontotemporal dementia ? J. Cogn. Neurosci. 19, 1-13.
98. Saint-Denys, H. (1977). Les Rêves et les moyens de les diriger. Paris: D'Aujourd'hui. (Originally published in 1867).
99. Salzarulo, P. (1971). Electroencephalographic and polygraphic study of afternoon sleep in normal subjects. Electroencephalogr. Clin. Neurophys-iol. 30, 399-407.
100. Sanford, L. D., Cheng, C. S., Silvestri, A. J., Mann, G. L., and Morrison, A. R. (2001). Sleep and behavior in rats with pontine lesions producing REM without atonia. Sleep Res. Online 4, 1-5.
101. Sastre, J. P., and Jouvet, M. (1979). Le comportement onirique du chat. Physiol. Behav. 22, 979-989.
102. Saurat, M. T., Agbakou, M., Attigui, P., Golmard, J. L., and Arnulf, I. (2011). Walking dreams in congenital and acquired paraplegia. Con-scious. Cogn. 20, 1425-1432.
103. Scharf, B., Moskowitz, C., Lupton, M., and Klawans, H. (1978). Dream phenomena induced by chronic Levodopa therapy. J. Neural. Transm. 43, 143-151.
104. Schonbar, R. A. (1959). Some manifest characteristics of recallers and nonrecallers of dreams. J. Consult. Psychol. 23, 414-418.
105. Schredl, M. (1999). Dream recall: research, clinical implications and future directions. Sleep Hypn. 1, 72-81.
106. Schredl, M. (2002). Dream recall frequency and openness to experience: a negative finding. Pers. Individ. Dif. 33, 1285-1289.
107. Schredl, M. (2008). Dream recall frequency in a representative German sample. Percept. Mot. Skills 106, 699-702.
108. Schredl, M., Ciric, P., Gotz, S., and Wittmann, L. (2004). Typical dreams: stability and gender differences. J. Psychol. 138, 485-494.
109. Schredl, M., Frauscher, S., and Shendi, A. (1995). Dream recall and visual memory. Percept. Mot. Skills 81, 256-258.
110. Schredl, M., and Hofmann, F. (2003). Continuity between waking activities and dream activities. Conscious. Cogn. 12, 298-308.
111. Schredl, M., and Reinhard, I. (2008). Gender differences in dream recall: a meta-analysis. J. Sleep Res. 17, 125-131.
112. Schredl, M., Jochum, S., and Souguenet, S. (1997). Dream recall, visual memory, and absorption in imaginings. Pers. Individ. Dif. 2, 291-292.
113. Schredl, M., Wittmann, L., Ciric, P., and Gotz, S. (2003). Factors of home dream recall: a structural equation model. J. Sleep Res. 12, 133-141.
114. Schwartz, S. (1999). Exploration sta-tistique et neuropsychologique des phénomènes oniriques au travers des textes et des images de rêves. Ph.D. thesis, University of Lausanne, Lausanne, 375.
115. Schwartz, S., and Maquet, P. (2002). Sleep imaging and the neuropsychological assessment of dreams.
116. Trends Cogn. Sci. (Regul. Ed.) 6, 23-30.
117. Shapiro, A., Goodenough, D. R., and Gryler, R. B. (1963). Dream recall as a function of method of awakening. Psychosom. Med. 25, 174-180.
118. Shapiro, A., Goodenough, D. R., Lewis, H. B., and Sleser, I. (1965). Gradual arousal from sleep: a determinant of thinking reports. Psychosom. Med. 27, 342-349.
119. Shevrin, H., and Fritzler, D. E. (1968). Visual evoked response correlates of unconscious mental processes. Sci-ence 161, 295-298.
120. Solms, M. (1997). The Neuropsychology of Dreaming: A Clinico-Anatomical Study. Mahwah, NJ:Lawrence Erlbaum Associates.
121. Solms, M. (2000). Dreaming and REM sleep are controlled by different brain mechanisms. Behav. Brain Sci. 23, 843-850.
122. Stickgold, R., Hobson, J. A., Fosse, R., and Fosse, M. (2001). Sleep, learning, and dreams: off-line memory reprocessing. Science 294, 1052-1057.
123. Tart, C. T. (1962). Frequency of dream recall and some personality measures. J. Consult. Psychol. 26, 467-470.
124. Thompson, L. T., Moyer, J. R. Jr., and Disterhoft, J. F. (1996). Transient changes in excitability of rabbit CA3 neurons with a time course appropriate to support memory consolidation. J. Neurophysiol. 76, 1836-1849.
125. Trull, T. (2005). Clinical Psychology, 7th Edn. Belmont, CA: Thomson Wadsworth.
126. Uga, V., Lemut, M. C., Zampi, C., Zilli, I., and Salzarulo, P. (2006). Music in dreams. Conscious. Cogn. 15, 351-357.
127. Valli, K., Frauscher, B., Gschliesser, V., Wolf, E., Falkenstetter, T., Schönwald, S. V., Ehrmann, L., Zangerl, A., Marti, I., Boesch, S. M., Revonsuo, A., Poewe, W., and Högl, B. (2011). Can observers link dream content to behaviours in rapid eye movement sleep behaviour disorder? A crosssectional experimental pilot study. J. Sleep Res. doi: 10.1111/j.1365-2869.2011.00938.x. [Epub ahead of print].
128. Valli, K., and Revonsuo, A. (2009). The threat simulation theory in light of recent empirical evidence: a review. Am.J. Psychol.122, 17-38.
129. Valli, K., Revonsuo, A., Pälkäs, O., Ismail, K. H., Ali, K. J., and Punamäki, R. L. (2005). The threat simulation theory of the evolutionary function of dreaming: eidence from dreams of traumatized children. Conscious. Cogn. 14, 188-218.
130. Voss, U., Tuin, I., Schermelleh-Engel, K., and Hobson, A. (2010). Waking and dreaming: related but structurally independent. Dream reports of congenitally paraplegic and deafmute persons. Conscious. Cogn. 20, 673-687.
131. Wagner, U., Gais, S., Haider, H., Verleger, R., and Born, J. (2004). Sleep inspires insight. Nature 427, 352-355.
132. Wamsley, E. J., Tucker, M., Payne, J. D., Benavides, J. A., and Stickgold, R. (2010). Dreaming of a learning task is associated with enhanced sleepdependant memory consolidation. Curr. Biol. 20, 850-855.
133. Wehrle, R., Czisch, M., Kaufmann, C., Wetter, T. C., Holsboer, F., Auer, D. P., and Pollmächer, T. (2005). Rapid eye movement-related brain activation in human sleep: a functional magnetic resonance imaging study. Neuroreport 16, 853-857.
134. Wittmann, L., Palmy, C., and Schredl, M. (2004). NREM sleep dream recall, dream report length and cortical activation. Sleep Hypn. 6, 53-57.
135. Zacks, J. M., Vettel, J. M., and Michelon, P. (2003). Imagined viewer and object rotations dissociated with event-related FMRI. J. Cogn. Neu-rosci. 15, 1002-1018.