Crick, F., and Koch, C. (2000). The unconscious homunculus. Neuropsy-
choanalysis, 2 (1), 3–11. Also reprinted in T. Metzinger (Ed.), Neural correlates
of consciousness: Empirical and conceptual questions (pp. 103–110). Cam-
bridge, MA: MIT Press.
Crick, F., and Koch, C. (2003). A framework for consciousness. Nature
Neuroscience, 6 , 119–126.
Crick, F., and Mitchison, G. (1983). The function of dream sleep. Nature,
304 , 111–114.
Crook, J. (1980). The evolution of human consciousness. Oxford: Clarendon
Press.
Crook, J. (1990). Meditation and personal disclosure: The Western Zen
retreat. In J. Crook and D. Fontana (Eds), Space in mind: East-West psychology
and contemporary Buddhism (pp. 156–173). London: Element.
Crook, J., and Fontana, D. (Eds) (1990). Space in mind: East-West psy-
chology and contemporary Buddhism. London: Element.
Csikszentmihalyi, M. (1975). Beyond boredom and anxiety: Experiencing
flow in work and play. San Francisco: Jossey-Bass.
Csikszentmihalyi, M. (1993). The evolving self: A psychology for the third
millennium. New York: HarperCollins.
Csikszentmihalyi, M., and Csikszentmihalyi, I. S. (Eds) (1988).
Optimal experience: Psychological studies of flow in consciousness. Cam-
bridge: Cambridge University Press.
Curran, H. V., and Morgan, C. (2000). Cognitive, dissociative and
psychotogenic effects of ketamine in recreational users on the night of drug use
and 3 days later. Addiction, 95 (4), 575–590.
Cytowic, R. E. (1993). The man who tasted shapes. New York: Putnam.
Cytowic, R. E., and Eagleman, D. M. (2009). Wednesday is indigo blue:
Discovering the brain of synesthesia. Cambridge, MA: MIT Press.
Damasio, A. (1994). Descartes’ error: Emotion, reason and the human
brain. New York: Putnams.
Damasio, A. (1999). The feeling of what happens: Body, emotion and the
making of consciousness. London: Heinemann.
Danckert, J. A., Sharif, N., Haffenden, A. M., Schiff, K. C., and
Goodale, M. A. (2002). A temporal analysis of grasping in the Ebbinghaus
illusion: Planning versus online control. Experimental Brain Research, 144 ,
275–280.
Danforth, A. L., Struble, C. M., Yazar-Klosinksi, B., and Grob,
C. S. (2016). MDMA-assisted therapy: A new treatment model for social
anxiety in autistic adults. Progress in Neuro-Psychopharmacology & Biological
Psychiatry, 64 , 237–249.
