Touch is often viewed as a single comprehensive sense, much like sight, or smell. However, look closer, and you quickly learn the truth – touch is a complex sense, made up of not one, but multiple different perceptual pathways, each transmitting distinct information to the brain. Think of the tactile information you receive first thing in the morning when you have a cup of coffee. You feel the smooth hardness of the ceramic, the warm and gentle roundness of the mug, and the heat, and weight of the coffee in your hand. It’s a basket full of different sensations, and our brain’s constantly doing its I love Lucy best to keep up.