Theoretical Considerations on the Concept of Timing in Motor Coordination. Timing Control in Motor Sequences (P. Viviani, G. Laissard). Invariant Relative Timing in Motor-Program Theory (H. Heuer). Relative Timing from the Perspective of Dynamic Pattern Theory: Stability and Instability (P.G. Zanone, J.A.S. Kelso). Central Generators and the Spatio-Temporal Pattern of Movements (Y.I. Arshavsky, S. Grillner, G.N. Orlovsky, Y.V. Panchin). Current Research on Temporal Patterns of Movements in Early Motor Development. Endogenous Motor Rhythms in Young Infants (P.H. Wolff). Evidence and Role of Rhythmic Organization in Early Vocal Development in Human Infants (R.D. Kent, P.R. Mitchell, M. Sancier). The Role of Reflexes in the Patterning of Limb Movements in the First Six Months of Life (P.M. McDonnell, V.L. Corkum). Development of Infant Manual Skills: Motor Programs, Schemata, or Dynamic Systems? (G.F. Michel). Timing in Motor Development as Emergent Process and Product (E. Thelen). Soft Assembly of an Infant Locomotor Action System (E.C. Goldfield). Timing Invariances in Toddlers' Gait (B. Bril, Y. Brenière). The Development of Intralimb Coordination in the First Six Months of Walking (J.E. Clark, S.J. Phillips). Current Research on Development of Timing During Childhood. How to Study Movement in Children (M.G. Wade, W. Berg). Coordinative Structures and the Development of Relative Timing in a Pointing Task (D.L. Southard). Synchronization and Desynchronization in Bimanual Coordination: A Developmental Perspective (J. Fagard). The Development of Timing Across Four Limbs: Can Simplicity Produce Complexity (M.A. Roberton). Discussion Paper. The Role of Timing in Motor Development (J.C. Fentress). Author Index. Subject Index.