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Alfieri, P.; Menghini, D.; Marotta, L.; De Peppo, L.; Ravà, L.; Salvaguardia, F.; Varuzza, C.; Vicari, S. – Journal of Intellectual Disability Research, 2017
Background: Individuals with Williams syndrome (WS) show a disharmonic linguistic profile with a clear pattern of strengths and weaknesses. Despite their sociable nature, atypical socio-communicative abilities and deficits in communication and relationship with others have been found. Aim: The aim of the present study was to investigate whether…
Descriptors: Intellectual Disability, Genetic Disorders, Language Skills, Interpersonal Communication
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Hammock, Elizabeth; Veenstra-VanderWeele, Jeremy; Yan, Zhongyu; Kerr, Travis M.; Morris, Marianna; Anderson, George M.; Carter, C. Sue; Cook, Edwin H.; Jacob, Suma – Journal of the American Academy of Child & Adolescent Psychiatry, 2012
Objective: Autism spectrum disorder (ASD) is a heritable but highly heterogeneous neuropsychiatric syndrome, which poses challenges for research relying solely on behavioral symptoms or diagnosis. Examining biomarkers may give us ways to identify individuals who demonstrate specific developmental trajectories and etiological factors related to…
Descriptors: Animals, Autism, Symptoms (Individual Disorders), Brain
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Bates, Timothy C.; Luciano, Michelle; Lind, Penelope A.; Wright, Margaret J.; Montgomery, Grant W.; Martin, Nicholas G. – Intelligence, 2008
Derived changes in genes associated with primary microcephaly (MCPH) have been suggested to be "currently sweeping to fixation" i.e., increasing in frequency in most populations, with the likely outcome that the derived allele will completely displace the ancestral allele over time. Possible causes for this sweep include effects on human reasoning…
Descriptors: Dyslexia, Language Impairments, Short Term Memory, Brain
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Hogan, Alexandra M.; Pit-ten Cate, Ineke M.; Vargha-Khadem, Faraneh; Prengler, Mara; Kirkham, Fenella J. – Developmental Science, 2006
Lowered intelligence relative to controls is evident by mid-childhood in children with sickle cell disease. There is consensus that brain infarct contributes to this deficit, but the subtle lowering of IQ in children with normal MRI scans might be accounted for by chronic systemic complications leading to insufficient oxygen delivery to the brain.…
Descriptors: Diseases, Intelligence Quotient, Motion, Brain