Negative Reinforcement AKA Pressure and Release Training. Horse training is both an art and a science. It's important to understand the science of how horses learn, and how we can best train them. It's also important to understand that reading the horse and his behavior, and knowing how best to respond in a given situation is an art. With this short video, Lauren Fraser of Good Horsemanship introduces you to the use of negative reinforcement AKA pressure and release in training, while also discussing some of the art of reading the horse's body language.