Front Cover; Foundations of Language Development: A Multidisciplinary Approach; Copyright Page; Table of Contents; List of Contributors; Foreword; Preface; Contents of Volume 2; Part 1: Preliminaries; Chapter 1. Language; Communication in Animals and in Man; Hypotheses as to the Origins of Language; The History of Ideas Underlying Thinking and Speech; Language as a Function of the Brain; Linguistics and Semiology; The Inadequacy of Verbal Symbols as Tools of Thought; The Future of Language; References; Chapter 2. The Concept of Language Differentiation; The Nature of Language

Relations and ComputationsContinuities as Proper Psychological and Physiological Correlates; Linguistic Categories Are Relationships; They Are Definable Only Contextually; Semantic and Syntactic Properties Have a Common Origin in Ontogeny; Differentiation in the Growth of Vocabulary; Conclusion; References; Chapter 3. Some Problems in Linguistic Theory; References; Chapter 4. The Heuristic Principle in the Perception, Emergence, and Assimilation of Speech; Psycholinguistic Rules and Plans; Alternative Approaches; References; Part II: Natural History

Chapter 5. A Zoologist's View of Some Language Phenomena with Particular Emphasis on Vocal Learning Introduction; The Comparative Analysis of Vocal Communication; The Role of Learning in Vocal Ontogeny; Predispositions Brought to the Task of Vocal Learning; The Origins of Vocal Learning; Why Did Not Other Primates Leam to Speak?; The Neural Substrate of Vocal Behavior; Summary; References; Chapter 6. Brain Development in Relation to Language; Shortcomings of Linguistic Analysis; From Neurogenotype to Neurophenotype; Functional Regulation in the Developing Cerebral Cortex

Synaptic Stability and LabilitySynaptic Disconnection, Reconnection, and Malconnection; Conclusion; References; Chapter 7. Myelogenetic Correlates of the Development of Speech and Language; Introduction; Myelogenesis of the Visual and Acoustic Pathways; Myelogenetic Correlates of the Development of Speech and Language; Acknowledgements; References; Chapter 8. The Ontogeny of Cerebral Dominance in Man; Introduction; The Development of Handedness; The Lateralization of Speech; Specific Educational Backwardness; Conclusions; References; Part III: Ontogeny

Chapter 9. Theories of Phonological DevelopmentIntroduction; Requirements for a Theory of Phonological Development; Behaviorist Theories; Structuralist Theories; Natural Phonology Theory; Prosodie Theory; Conclusions; Bibliography; Chapter 10. Phonemicization and Symbolization in Language Development; Introduction; Crying; Development of Phonatory-Articulatory-Auditory Mechanisms During the Period of Babbling as One Kind of Circular Reaction; Reorganization of Babbling Phonatory-Articulatory-Auditory Mechanisms and Their Application to Language