and so in the tick brain there s a relationship between what we call the motor behaviors or the movement and the limbic behavior, okay? and that s the actual systems in the brain that are encoding values for emotion. that sensation, the urge to tick, is what amber suffers from every day. it s like i m having 15,000 mosquito bites that you can t itch. you can t itch it. and they come out and you have no control and you cannot take them away. one of the most scientifically exciting things about deep brain stimulation is that it offers the really uncommon opportunity to record the electrical activity from a living human being s brain. it s the cutting edge of what is known as neural network modulation. through their extensive work with parkinson s and other