Comments on Thelen and Ulrich's monograph in this issue. Examines theoretical and empirical sections and findings, concluding that the authors have taken a major step forward by introducing the dynamic systems perspective to the study of behavioral coordination in infants, thus opening the way for experimental investigation of phenomena that could…

The Home Observation for Measurement of the Environment (HOME) underwent a generalizability study examining the consistency and stability of scores. Canonical correlation and principal components factor analysis indicated that the organization of environment changes over the first two years of life, and the amount--not type--of stimulation is…

Studied the ontogeny of walking by prelocomotor infants. Results support a dynamic systems view of development and the view that upright locomotion emerges from the self-organization of multiple cooperating elements rather than as a result of a preexisting neural code. (Author/GR)

This encyclopedia is a comprehensive reference work addressed to those interested in human development from birth through adolescence, including students of child development, teachers, health care providers, child psychologists, family counselors, education professionals, academics, and parents. Signed entries in the encyclopedia were prepared by…