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Developmental Changes in Cognitive and Behavioural Functioning of Adolescents with Fragile-X Syndrome
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Frolli, A.; Piscopo, S.; Conson, M. – Journal of Intellectual Disability Research, 2015
Background: Individuals with fragile-X syndrome exhibit developmental delay, hyperexcitation and social anxiety; they also show lack of attention and hyperactivity. Few studies have investigated whether levels of functioning change with increasing age. Here, we explored developmental changes across adolescence in the cognitive and behavioural…
Descriptors: Adolescents, Genetic Disorders, Developmental Delays, Anxiety
Reactive and Proactive Control in Incarcerated and Community Adolescents and Young Adults
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Iselin, Anne-Marie R.; DeCoster, Jamie – Cognitive Development, 2009
This study compared the cognitive control skills of male incarcerated adolescents (n = 44), male control adolescents (n = 33), male incarcerated young adults (n = 41), and male control young adults (n = 35) using the AX-continuous performance test (AX-CPT). This test measures proactive control (the ability to maintain a mental representation of…
Descriptors: Self Control, Performance Tests, Hyperactivity, Young Adults
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
A Comparison of Differential Treatment Approaches for Impulsive Responding of Hyperactive Children at Two Age Levels. Final Report.
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Brown, Ronald T. – 1978
The study examined the effectiveness of two psychoeducational treatment approaches and drug therapy on the impulsivity of 120 hyperactive emotionally disturbed children in two age groups (mean ages 13 and 8 years old). The psychoeducational approaches tested were modeling of reflective behavior and a specific instructional procedure to increase…
Descriptors: Age Differences, Cognitive Development, Conceptual Tempo, Drug Therapy
Interpersonal Problem-Solving Skills of Hyperactive Children.
Almeida, M. Connie – 1985
The relationship between interpersonal cognitive problem-solving (ICPS) skills and the behavioral adjustment of 30 hyperactive boys (from 5.5 to 12.5 years of age) was examined. Each S was individually administered two problem solving measures to assess alternative thinking and means-end thinking. The childrens' self-concept was also assessed and…
Descriptors: Age Differences, Aggression, Attention Control, Behavior Patterns
Relationships Among Cognitive Measures in Learning Disabled and Non-Learning Disabled Children.
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Copeland, Anne P.; Moll, Nadine W. – 1979
The differences in performance on a variety of cognitive measures were studied in 67 learning disabled (LD) and normal elementary school children. Younger and older Ss were administered tests of conceptual sorting, central and incidental learning, and selective attention. Teacher ratings of classroom hyperactive behavior were also examined. LD Ss…
Descriptors: Age Differences, Attention, Behavior, Classification