The Brain in MotionBy: Sten Grillner An evolutionary perspectivefrom lampreys to humanson how the forebrain coordinates movement while the networks in the brainstem and spinal cord handle the execution. All living creatures interact with their environment: even the most basic have a set of innate motor circuits they rely on to feed, locomote, fight, and flee. In The Brain in Motion, Sten Grillner describes the evolution of the motor repertoire of vertebrates, from