Presents state-of-the-art research in the science of speech motor control and speech disorders. All the chapters take a fundamental, model-oriented perspective, as introduced in the first section of the book. Furthur topics covered are: brain imaging studies and the rapid progression in comprehending neural mechanisms; developmental studies revealing perceptual-motor continuities and discontinuities; psycholinguistic experimentation showing higher-order influences on speech motor control; and recent notions and applications to the understanding of speech disorders.