Motor Development in Down Syndrome Children: An Analysis of the Motor Scale of the Bayley Scales of Infant Development

Author(s):  
Suzanne Dyer ◽  
Pat Gunn ◽  
Hellgard Rauh ◽  
Paul Berry
1983 ◽  
Vol 6 (4) ◽  
pp. 461-475 ◽  
Author(s):  
Ernesto Pollitt

An exploratory assessment was made of the relationship between morbidity during the first six months of life and performance in the Bayley Scales of Mental and Motor Development at eight months of life. The study was conducted in 14 villages of Sui Lin Township, Taiwan, which is a rural agricultural area 180 miles south of Taipei. Prior to the study daily dietary intake of the mothers was estimated to range from 1400 to 2000 kcal and 40 grams of protein. Developmentally the children who were healthy were better off than the children who became ill during the first two trimesters. A striking adverse effect of morbidity was found on both mental and motor scale scores when gastrointestinal and respiratory illness were aggregated. Children without illness plus children who were ill with only one illness in one trimester obtained statistically significantly higher scores than the children who were ill with both types of illness and in both trimesters. These findings were explained as a function of the negative energy balance generally found among ill children in populations where malnutrition is endemic. In search for homeostasis the child reduces activity to decrease energy expenditure, and it is to be expected that the relation of a sick child with its environment may be in jeopardy. A hypothesis regarding the relationship between incidence of morbidity and development is proposed.


2020 ◽  
Vol 37 (2) ◽  
pp. 160-176
Author(s):  
Janet L. Hauck ◽  
Isabella T. Felzer-Kim ◽  
Kathryn L. Gwizdala

This longitudinal study investigated monthly motor development and physical activity (PA) of infants with and without Down syndrome. Gross and fine motor skills (Bayley Scales of Infant Development-III) and PA (accelerometer) were assessed in 35 infants at eight time points during infancy. A multivariate mixed model identified time points when motor scores diverged between the groups. In infants with Down syndrome, bivariate correlations between monthly PA and motor changes were calculated, and multivariate analysis of variance probed the influence of early PA on motor-skill timing. Results indicate that differences in gross and fine motor skills first emerge at 2 and 4 months, respectively. In infants with Down syndrome, gross motor and PA changes between 4 and 6 months were positively correlated. Infants more active than the mean at 2 or 3 months achieved several prone and sitting skills earlier. These results highlight the adaptability of early infancy and the importance of early intervention.


1968 ◽  
Vol 23 (3_suppl) ◽  
pp. 1199-1205 ◽  
Author(s):  
D. R. Gannon

6 measures of performance on the Bayley Scales of Mental and Motor Development at H mo. were correlated with 48-mo. Stanford-Binet IQs and the Graham-Ernhart Block Sort Test ( N = 384). All but one correlated significantly ( p < .05) with IQ (range .13 to .15), while three were predictive of the Block Sort scores (range .12 to .14). Scores derived from item analyses of the Bayley Scales and the 48-mo. tests also yielded significant correlations with later performances (range .17 to .28). Weighting items did not substantially increase relationships. These results are similar to previous data: there are statistically, but not practically, significant correlations between infant and preschool test performances.


2013 ◽  
Vol 93 (11) ◽  
pp. 1475-1483 ◽  
Author(s):  
Janeline W.P. Van Hus ◽  
Martine Jeukens-Visser ◽  
Karen Koldewijn ◽  
Loekie Van Sonderen ◽  
Joke H. Kok ◽  
...  

Background Infants with very low birth weight (VLBW) are at increased risk for motor deficits, which may be reduced by early intervention programs. For detection of motor deficits and to monitor intervention, different assessment tools are available. It is important to choose tools that are sensitive to evaluate the efficacy of intervention on motor outcome. Objective The purpose of this study was to compare the Alberta Infant Motor Scale (AIMS) and the Psychomotor Developmental Index (PDI) of the Bayley Scales of Infant Development–Dutch Second Edition (BSID-II-NL) in their ability to evaluate effects of an early intervention, provided by pediatric physical therapists, on motor development in infants with VLBW at 12 months corrected age (CA). Design This was a secondary study in which data collected from a randomized controlled trial (RCT) were used. Methods At 12 months CA, 116 of 176 infants with VLBW participating in an RCT on the effect of the Infant Behavioral Assessment and Intervention Program were assessed with both the AIMS and the PDI. Intervention effects on the AIMS and PDI were compared. Results Corrected for baseline differences, significant intervention effects were found for AIMS and PDI scores. The highest effect size was for the AIMS subscale sit. A significant reduction of abnormal motor development in the intervention group was found only with the AIMS. Limitations No Dutch norms are available for the AIMS. Conclusions The responsiveness of the AIMS to detect intervention effects was better than that of the PDI. Therefore, caution is recommended in monitoring infants with VLBW only with the PDI, and the use of both the AIMS and the Bayley Scales of Infant Development is advised when evaluating intervention effects on motor development at 12 months CA.


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