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Schuchardt, Kirsten; Maehler, Claudia; Hasselhorn, Marcus – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
Recent studies indicate that children with intellectual disabilities have functional limitations primarily in the phonological loop of working memory (Baddeley, 1986). These findings are indicative of a specific structural deficit. Building on this research, the present study examines whether it is possible to identify specific phonological…
Descriptors: Control Groups, Mental Age, Mental Retardation, Short Term Memory
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Palomares, Melanie; Englund, Julia A.; Ahlers, Stephanie – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
Williams Syndrome (WS) is a developmental disorder typified by deficits in visuospatial cognition. To understand the nature of this deficit, we characterized how people with WS perceive visual orientation, a fundamental ability related to object identification. We compared WS participants to typically developing children (3-6 years of age) and…
Descriptors: Mental Age, Mental Retardation, Genetic Disorders, Developmental Disabilities
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Lifshitz, Heftziba; Katz, Yaacov J. – European Journal of Special Needs Education, 2009
This study compared behavioural, cognitive, and motivational components of religiosity among 54 Jewish adolescents (aged 13-21 years) and 35 adults (aged 30-60 years) with intellectual disability (ID) (IQ=40-69). A special questionnaire was constructed based on several previous studies by other authors. A different pattern was found between age…
Descriptors: Jews, Mental Retardation, Older Adults, Adolescents
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Smeets, Paul M. – Journal of Genetic Psychology, 1974
Twenty normal and 20 retarded children were studied to determine the influences of mental (MA) and chronological age (CA) on the attribution of life characteristics to animate and inanimate objects. In both normal and retarded children, attribution depended on an interaction between M.A. and C.A. (DP)
Descriptors: Age Differences, Attribution Theory, Behavioral Science Research, Cognitive Development
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Hastings, Richard P.; Beck, Alexandra; Daley, Dave; Hill, Christopher – Research in Developmental Disabilities: A Multidisciplinary Journal, 2005
Existing research suggests that children with intellectual disabilities are at increased risk for ADHD, and that the symptoms of the disorder might successfully be treated with stimulant drugs. However, there has been little exploration of ADHD symptoms and their correlates in children with intellectual disabilities. Analyses of three samples of…
Descriptors: Age Differences, Stimulants, Mental Age, Hyperactivity
Adams, Kym; Markham, Roslyn – American Journal on Mental Retardation, 1991
Forty-nine children (ages 8-17) with mental retardation recognized facial expressions less accurately than did subjects without retardation who were matched on chronological age. Mental age-matched groups showed no differences in accuracy at a younger mental age, but a difference was found at an older mental age. (Author/JDD)
Descriptors: Adolescents, Affective Behavior, Age Differences, Children