All Watched Over -- Richard Brautigan

Awareness Tracking: Umbria

Desire manipulation:

"The opioid made the rats want to eat three times more food than normal, and to show double the normal number of "liking" expressions when they tasted the sugar. "Liking" expressions are positive facial lip licking expressions that are similar in rats, monkeys, apes and even human infants." Science Daily referring to :

Smith, K.S., & Berridge, K.C. Opioid limbic circuit for reward: interaction between hedonic hotspots of nucleus accumbens and ventral pallidum. Journal of Neuroscience, 27(7): 1594-605, 2007.
Kent Berridge: Affective Neuroscience and Biopsychology Lab