Section 1 Motor Skill Acquisition in Children: Perspectives and Problems.- A Perspective on Motor Development.- Some Problems in Explaining the Origins of Movement Control.- A Knowledge-Based Approach to Motor Skill Acquisition.- Section 2 Prenatal Onset of Motor Patterns.- Prenatal Motor Development.- The Maturation and Development of Fetal Motor Patterns.- Section 3 Development of Coordination.- Development of Coordinated Movement: Dynamic, Relational and Multileveled Perspectives.- Development of Coordinated Movement: Implications for Early Human Development.- Issues in the Study of Human Motor Skill Development: A Reaction to John Fentress.- Section 4 Perception and Action.- Perception and Representation in the Guidance of Spatially Coordinated Behaviour.- Movement Invariances in Culture Specific Skills.- The Emergence of Manual Skills.- Perception-Action Coupling in the Young Infant.- The Perception-Action Perspective: A Commentary on von Hofsten.- Section 5 The Development of Intersubjectivity.- Development of Intersubjective Motor Control in Infants.- Subjective Comments on the Development of Intersubjectivity.- Section 6 Establishing a Base for Perception and Action.- Establishing a Frame of Reference for Action.- Contribution of Head-Movement to the Accuracy of Directional Aiming and Coincidence-Timing Tasks.- Visuo-Manual Coordination from 6 to 10: Specification, Control and Evaluation of Direction and Amplitude Parameters of Movement.- Section 7 Cognition and Action.- Constraints on the Development of Coordination.- Motor Coordination: Constraints and Cognition a Reaction to K.M. Newell.- Action and Cognition Cognitive and Motor Skills in a Developmental Perspective.- Relating Cognition and Action: Reaction to Mounoud.- Cognition and Action: A Reply to Mounoud.- Section 8 Contribution of the Neurosciences to an Understanding of Motor Development.- Development and Acquisition of Motor Skills: A Challenging Prospect for Neuroscience.- The Contribution of the Neurosciences to Understanding the Development of Reaching.- Section 9 Epilogue.- A Morphological Perspective on the Origin and Evolution of Movement Patterns.