He was not blind, not deaf, not senseless. Sensation came to him, but filtered through a nervous system twisted and short-circuited by the shock of the PyrE concussion. He was suffering from Synaesthesia, that rare condition in which perception receives messages from the objective world and relays these messages to the brain, but there in the brain the sensory perceptions are confused with one another. So, in Foyle, sound registered as sight, motion registered as sound, colors became pain sensations, touch became taste, and smell became touch. He was not only trapped within the labyrinth of the inferno under Old St. Pat's; he was trapped in the kaleidoscope of his own cross-senses.