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"ATP1A3" Mutations in Infants: A New Rapid-Onset Dystonia-Parkinsonism Phenotype Characterized by Motor Delay and Ataxia
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Brashear, Allison; Mink, Jonathan W.; Hill, Deborah F.; Boggs, Niki; McCall, W. Vaughn; Stacy, Mark A.; Snively, Beverly; Light, Laney S.; Sweadner, Kathleen J.; Ozelius, Laurie J.; Morrison, Leslie – Developmental Medicine & Child Neurology, 2012
We report new clinical features of delayed motor development, hypotonia, and ataxia in two young children with mutations (R756H and D923N) in the "ATP1A3" gene. In adults, mutations in "ATP1A3" cause rapid-onset dystonia-Parkinsonism (RDP, DYT12) with abrupt onset of fixed dystonia. The parents and children were examined and videotaped, and…
Descriptors: Athletes, Sports Medicine, Motor Development, Seizures
A Longitudinal Study of Neurological Soft Signs from Late Childhood into Early Adulthood
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Martins, Isabel; Lauterbach, Martin; Slade, Peter; Luis, Henriques; DeRouen, Timothy; Martin, Michael; Caldas, Alexandre; Leitao, Jorge; Rosenbaum, Gail; Townes, Brenda – Developmental Medicine & Child Neurology, 2008
Neurological examination of children includes the screening for soft neurological signs (NSS). There is little knowledge about their evolution during adolescence, except that their lasting presence has been associated with developmental, psychological, and cognitive disorders. We report the results of a NSS exam (assessing gross and fine motor…
Descriptors: Longitudinal Studies, Motor Development, Children, Brain Hemisphere Functions
The Differential Influence of Instructional Factors on Motor Performance among Handicapped and Non-Handicapped Children in Mainstreamed Physical Education Classes.
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Karper, William B.; Martinek, Thomas J. – Educational Research Quarterly, 1983
The purpose of this study was to determine differential relationships among teacher perceptions of student expression of effort, teacher expectation, grade, school, teacher, sex, and being handicapped/nonhandicapped on gross motor performance among handicapped and nonhandicapped children integrated together in physical education classes.…
Descriptors: Age Differences, Disabilities, Expectation, Mainstreaming
Relationships of Child Progress with Selected Child, Family, and Program Variables in Early Intervention.
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Lee, Sunghee; Kahn, James V. – Infant-Toddler Intervention: The Transdisciplinary Journal, 1998
This study examined the contributions of six variables (age at start, disability severity, mother's marital status, mother's education level, mother's employment status, and program intensity) to cognitive and motor developmental progress of 75 young children in an early-intervention program. Cognitive development was most affected by age at…
Descriptors: Age Differences, Cognitive Development, Disabilities, Early Intervention