In view of the All Handicapped Children Act of 1975 (Public Law 94-142) it seems just and logical that all children, not only the handicapped, are entitled to an individualized treatment by sports and physical education personnel. (LH)

Descriptions of three games appropriate for elementary school and handicapped children in physical education are provided. (JMF)

Studied developmental changes in rhythmic motor skills by observing the hand clapping of 3- through 7-year olds. Found that a variable measuring coordination of children's arms while clapping changed from a nonconstant magnitude in younger clappers to a constant magnitude in older clappers. (BC)

Discusses the history of the study of motor behavior. Briefly reviews the contents of the November 1989 issue of "Developmental Psychology." (RJC)

Describes Jean Piaget's transformation of society's conception of childhood thought. Emphasizes the enduring contribution to developmental psychology of Piaget's constructivism, his description of developmental mechanisms, his cognitivism, his explication of structural and functional analysis, and his addressing of epistemological issues and…

Full-term infants who had slept in the prone position since birth were followed to detect early postural abnormalities and differentiate potential peripheral abnormality from abnormalities of a central origin. Results showed that disappearance of initial signs of abnormality appeared to be muscular, and symptoms disappeared faster when a motor…

Thirty infants were studied monthly between one and four months to determine how long cyclical motor activity (CM) persists beyond neonatal period. Although rate and irregularity of CM during active sleep and waking states did not change across these four months, there was a pronounced drop in the strength of CM in the waking state from two months…

Weekly observations of 4 infants in a standard arm-extended reaching task demonstrated that the infants first reached at ages ranging from 12 to 22 weeks. Results suggest that the infant central nervous system does not contain programs that detail hand trajectory or muscle activation patterns; rather, these patterns are the consequence of the…

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…

Studied head position preference in 20 newborns differing by Cesarean or vaginal delivery and sex. Found that neither factor accounted for differences. The head turned right more often and was maintained longer in this position during quiet wakefulness, regardless of scoring method. When using global scoring, duration of midline position was…

Little attention has been given to the developmental process of "how children learn to move" and the changing role that emerging motor competence may play in children and youths' physical activity levels as they grow. But we need to recognize that there is a developmental trajectory to physical activity and the factors that affect it if we are…

The aim of this study was to explore motor development in children with cerebral palsy (CP) using developmental curves for CP, subtypes, and the five severity levels of the Gross Motor Function Classification System (GMFCS). The Gross Motor Function Measure (GMFM) and the GMFCS were applied to 317 children (145 females, 172 males) with CP, aged…

We calculated visual ability in 13 strains of mice (129SI/Sv1mJ, A/J, AKR/J, BALB/cByJ, C3H/HeJ, C57BL/6J, CAST/EiJ, DBA/2J, FVB/NJ, MOLF/EiJ, SJL/J, SM/J, and SPRET/EiJ) on visual detection, pattern discrimination, and visual acuity and tested these and other mice of the same strains in a behavioral test battery that evaluated visuo-spatial…

Background: Children with developmental coordination disorder (DCD) are often identified by classroom teachers and the identification process relies heavily on teachers' perceptions. The literature would suggest that teachers' perceptions may be influenced by a child's gender, behaviour and the type of motor problem they demonstrate. To date, the…