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Fidler, D. J.; Schworer, E.; Will, E. A.; Patel, L.; Daunhauer, L. A. – Journal of Intellectual Disability Research, 2019
Background: While delays in cognitive development are detectable during early development in Down syndrome, the neuropsychological and biomedical underpinnings of cognitive skill acquisition in this population remain poorly understood. Method: To explore this issue, 38 infants with Down syndrome [mean chronological age = 9.65 months; SD = 3.64]…
Descriptors: Correlation, Infants, Down Syndrome, Cognitive Development
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Arango, P. S.; Aparicio, A.; Tenorio, M. – Journal of Intellectual Disability Research, 2018
Background: Several studies show that socio-economic status (SES) is related to the developmental trajectories of children with typical development (TD). However, few studies have analysed this relationship regarding children with neurodevelopmental disorders such as Down syndrome (DS). In this paper, we analyse the impact of SES in the…
Descriptors: Foreign Countries, Down Syndrome, Socioeconomic Influences, Child Development
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Brewe, A. M.; Reisinger, D. L.; Adlof, S. M.; Roberts, J. E. – Journal of Intellectual Disability Research, 2018
Background: Impairment in initiating joint attention (IJA) is associated with autism spectrum disorder (ASD) in children, although it is unclear when impairments arise. Due to the early development of IJA use and late diagnosis of ASD, groups at high-risk of ASD, such as infants with an older sibling with ASD (ASIBs) and infants with fragile X…
Descriptors: Infants, At Risk Persons, Autism, Pervasive Developmental Disorders
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Moore, D. G.; Goodwin, J. E.; Oates, J. M. – Journal of Intellectual Disability Research, 2008
Background: Many measures of infants' early cognitive development, including the BSID-II (The Bayley Scales of Infant Development), mix together test items that assess a number of different developmental domains including language, attention, motor functioning and social abilities, and some items contribute to the assessment of more than one…
Descriptors: Down Syndrome, Infants, Cognitive Development, Cognitive Ability