BRAIN - Neurons coordinate to fine-tune motor control

Whether it is playing a piano sonata or acing a tennis serve, the brain needs to orchestrate precise, coordinated control over the body's many muscles. Moreover, there needs to be some kind of feedback from the senses should any of those movements go wrong. Neurons that coordinate those movements, known as Purkinje cells, and ones that provide feedback when there is an error or unexpected sensation, known as climbing fibers, work in close concert ...

http://medicalxpress.com/news/2014-02-neurons-fine-tune-motor_1.htm