sensorium, n.
1) The part of the brain that receives and coordinates all the stimuli conveyed to various sensory centers.
2) The sensory system of the body.
"Poke around. Poke around. Can't you see I'm depressed.
Welcome to my sensorium. You can touch, but you cannot lie."
-- C.D. Wright, Deepstep Come Shining
From Dictionary.com