1. Bakian AV, Bilder DA, Coon H, McMahon WM. {{Spatial Relative Risk Patterns of Autism Spectrum Disorders in Utah}}. {J Autism Dev Disord};2014 (Sep 21)
Heightened areas of spatial relative risk for autism spectrum disorders (ASD), or ASD hotspots, in Utah were identified using adaptive kernel density functions. Children ages four, six, and eight with ASD from multiple birth cohorts were identified by the Utah Registry of Autism and Developmental Disabilities. Each ASD case was gender-matched to 20 birth cohort controls. Demographic and socioeconomic characteristics of children born inside versus outside ASD hotspots were compared. ASD hotspots were found in the surveillance area for all but one birth cohort and age group sample; maximum relative risk in these hotspots ranged from 1.8 to 3.0. Associations were found between higher socioeconomic status and birth residence in an ASD hotspot in five out of six birth cohort and age group samples.
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2. Mouga S, Almeida J, Cafe C, Duque F, Oliveira G. {{Adaptive Profiles in Autism and Other Neurodevelopmental Disorders}}. {J Autism Dev Disord};2014 (Sep 21)
We investigated the influence of specific autism spectrum disorder (ASD) deficits in learning adaptive behaviour, besides intelligence quotient (IQ). Participated 217 school-aged: ASD (N = 115), and other neurodevelopmental disorders (OND) groups (N = 102) matched by Full-Scale IQ. We compared standard scores of Vineland Adaptive Behaviour Scale (VABS) in communication, daily living skills, socialization and adaptive behaviour composite. Pearson-correlation analysis was performed between each domain of VABS and Full-Scale, Verbal and Performance IQ, and chronological age (CA). Results indicated that impairment in adaptive behaviour within the domain of socialization skills remains a distinctive factor of ASD versus OND, independently of intellectual disability (ID). Co-occurring ID result in further debilitating effects on overall functioning, especially in ASD. CA is negatively associated with VABS scores.
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3. Zyga O, Russ S, Ievers-Landis CE, Dimitropoulos A. {{Assessment of Pretend Play in Prader-Willi Syndrome: A Direct Comparison to Autism Spectrum Disorder}}. {J Autism Dev Disord};2014 (Sep 21)
Children with Prader-Willi syndrome (PWS) are at risk for autism spectrum disorder (ASD), including pervasive social deficits. While play impairments in ASD are well documented, play abilities in PWS have not been evaluated. Fourteen children with PWS and ten children with ASD were administered the Autism Diagnostic Observation Schedule (ADOS) (Lord et al. in Autism Diagnostic Observation Schedule manual. Western Psychological Services, Los Angeles, 2006) as part of a larger project. A modified Affect in Play Scale (APS; Russ in Play in child development and psychotherapy: toward empirically supported practice. Lawrence Erlbaum Associates Publishers, Mahwah, 2004; Pretend play in childhood: foundation of adult creativity. APA Books, Washington, 2014) was used to score ADOS play activities. Results indicate both groups scored below normative data on measures of imagination, organization, and affective expression during individual play. In addition, the inclusion of a play partner in both groups increased all scaled scores on the APS. These findings suggest children with PWS show impaired pretend play abilities similar to ASD. Further research is warranted and should focus on constructing and validating programs aimed at improving symbolic and functional play abilities within these populations.
