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Ashworth, Anna; Hill, Catherine M.; Karmiloff-Smith, Annette; Dimitriou, Dagmara – Developmental Science, 2017
Sleep plays an active role in memory consolidation. Because children with Down syndrome (DS) and Williams syndrome (WS) experience significant problems with sleep and also with learning, we predicted that sleep-dependent memory consolidation would be impaired in these children when compared to typically developing (TD) children. This is the first…
Descriptors: Sleep, Memory, Children, Down Syndrome
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Kail, Robert V.; Lervåg, Arne; Hulme, Charles – Developmental Science, 2016
Age-related change in processing speed has been linked directly to increases in reasoning as well as indirectly via increases in the capacity of working memory (WM). Most of the evidence linking change in speed to reasoning has come from cross-sectional research; in this article we present the findings from a 2½-year longitudinal study of 277 6-…
Descriptors: Short Term Memory, Longitudinal Studies, Cognitive Processes, Thinking Skills
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Morsanyi, Kinga; Devine, Amy; Nobes, Alison; Szucs, Denes – Developmental Science, 2013
This study examined performance on transitive inference problems in children with developmental dyscalculia (DD), typically developing controls matched on IQ, working memory and reading skills, and in children with outstanding mathematical abilities. Whereas mainstream approaches currently consider DD as a domain-specific deficit, we hypothesized…
Descriptors: Gifted, Learning Disabilities, Mathematics Skills, Logical Thinking
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Chow, Bonnie Wing-Yin; Ho, Connie Suk-Han; Wong, Simpson Wai-Lap; Waye, Mary M. Y.; Bishop, Dorothy V. M. – Developmental Science, 2013
This study considered how far nonverbal cognitive, language and reading abilities are affected by common genetic influences in a sample of 312 typically developing Chinese twin pairs aged from 3 to 11 years. Children were individually given tasks of Chinese word reading, receptive vocabulary, phonological memory, tone awareness, syllable and rhyme…
Descriptors: Genetics, Twins, Foreign Countries, Cognitive Ability
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Hocking, Darren R.; Thomas, Daniel; Menant, Jasmine C.; Porter, Melanie A.; Smith, Stuart; Lord, Stephen R.; Cornish, Kim M. – Developmental Science, 2013
Previous studies suggest that individuals with Williams syndrome (WS), a rare genetically based neurodevelopmental disorder, show specific weaknesses in visual attention and response inhibition within the visuospatial domain. Here we examine the extent to which impairments in attentional control extend to the visuomotor domain using a…
Descriptors: Mental Retardation, Genetic Disorders, Inhibition, Control Groups
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Morsanyi, Kinga; Holyoak, Keith J. – Developmental Science, 2010
Recent studies (e.g. Dawson et al., 2007) have reported that autistic people perform in the normal range on the Raven Progressive Matrices test, a formal reasoning test that requires integration of relations as well as the ability to infer rules and form high-level abstractions. Here we compared autistic and typically developing children, matched…
Descriptors: Autism, Short Term Memory, Logical Thinking, Inferences
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Crone, Eveline A.; Wendelken, Carter; van Leijenhorst, Linda; Honomichl, Ryan D.; Christoff, Kalina; Bunge, Silvia A. – Developmental Science, 2009
Relational reasoning is an essential component of fluid intelligence, and is known to have a protracted developmental trajectory. To date, little is known about the neural changes that underlie improvements in reasoning ability over development. In this event-related functional magnetic resonance imaging (fMRI) study, children aged 8-12 and adults…
Descriptors: Children, Preadolescents, Young Adults, Thinking Skills