1. Ikeda J, Davitt BV, Ultmann M, Maxim R, Cruz OA. {{Brief Report: Incidence of Ophthalmologic Disorders in Children with Autism}}. {J Autism Dev Disord};2012 (Feb 21)
Purpose To determine the incidence of ophthalmologic disorders in children with autism and related disorders. Design Retrospective chart review. Four hundred and seven children diagnosed with autism or a related disorder between 1998 and 2006. one hundred and fifty-four of these children completed a comprehensive ophthalmology exam by a pediatric ophthalmologist. Results Ophthalmologic pathology was found in 40% of patients with autism or a related disorder with 29% having significant refractive errors, 21% demonstrating strabismus, and 10% having amblyopia. Conclusions Children with autism or a related disorder will frequently have an ophthalmologic abnormality. Since cooperation with vision screening is understandably limited in these children, a comprehensive eye examination by a pediatric ophthalmologist is recommended for all such children.
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2. Maljaars J, Noens I, Scholte E, van Berckelaer-Onnes I. {{Language in Low-Functioning Children with Autistic Disorder: Differences Between Receptive and Expressive Skills and Concurrent Predictors of Language}}. {J Autism Dev Disord};2012 (Feb 21)
Language profiles of children with autistic disorder and intellectual disability (n = 36) were significantly different from the comparison groups of children with intellectual disability (n = 26) and typically developing children (n = 34). The group low-functioning children with autistic disorder obtained a higher mean score on expressive than on receptive language, whereas both comparison groups showed the reverse pattern. Nonverbal mental age, joint attention, and symbolic understanding of pictures were analyzed in relation to concurrent receptive and expressive language abilities. In the group with autistic disorder and intellectual disability, symbol understanding and joint attention were most strongly related to language abilities. Nonverbal mental age was the most important predictor of language abilities in the comparison groups.
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3. Markoulakis R, Scharoun SM, Bryden PJ, Fletcher PC. {{An Examination of Handedness and Footedness in Children with High Functioning Autism and Asperger Syndrome}}. {J Autism Dev Disord};2012 (Feb 21)
Motor control deficits have been documented in children with high functioning autism and Asperger syndrome (HFA/AS), but the extent to which these disorders affect the children’s footedness must be delineated. Twelve typically developing (TD) children and 12 children with HFA/AS, ages 6-9 years, were recruited. Motor control skills were assessed through a variety of footedness tasks to determine location and nature of impairment, regarding motor dominance. Overall, greater inconsistencies in dominance arose in children with HFA/AS, through disparities in measures of preference. Results will have broader implications for understanding motor impairments in children with HFA/AS as determined by comparing performance on footedness tasks, as well as for the design of interventions to account for these deficits.
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4. Marschik PB, Pini G, Bartl-Pokorny KD, Duckworth M, Gugatschka M, Vollmann R, Zappella M, Einspieler C. {{Early speech-language development in females with Rett syndrome: focusing on the preserved speech variant}}. {Dev Med Child Neurol};2012 (Feb 21)
Aim Our aim was to contribute new findings related to the pre-regressional verbal development of females with a variant of Rett syndrome (RTT) as the loss of spoken language is one of the key clinical features of RTT, and it would be of particular interest to study the early speech-language development of females who are considered to have preserved some speech-language abilities. Method We analysed 461 minutes of audio-video recordings containing play situations and the daily routines of six females (aged 7 to 24 months; mean birthweight 3057g, SD 195g) with the preserved speech variant (PSV) of RTT. All videos were recorded by parents and analysed retrospectively after the diagnosis PSV was made. Results From the age of 7 months onwards, we observed two types of vocalizations, appearing intermittently: (1) apparently normal sequences; and (2) atypical (i.e. inhalatory, pressed, or high-pitched crying-like) vocalizations. Some participants failed to reach the milestone of canonical babbling. We observed a limited phonological and lexical complexity and a restricted compositional variability. Volubility was reduced during the whole period under observation. Hand stereotypies with simultaneous atypical vocalizations appeared only during the second year of life. Interpretation The intermittent character of normal versus abnormal verbal behaviours might contribute to an early identification of children with a possible genetic mutation, and provides evidence that speech-language functions are abnormal from the very beginning.
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5. Reichow B, Naples A, Steinhoff T, Halpern J, Volkmar FR. {{Brief Report: Consistency of Search Engine Rankings for Autism Websites}}. {J Autism Dev Disord};2012 (Feb 21)
The World Wide Web is one of the most common methods used by parents to find information on autism spectrum disorders and most consumers find information through search engines such as Google or Bing. However, little is known about how the search engines operate or the consistency of the results that are returned over time. This study presents the results of analyses of searches from 2009, 2010, and 2011 for information on autism. We found that over time, consumers are likely to have different search experiences yielding different results, and we urge consumers to use caution when using the World Wide Web to obtain information on autism.
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6. Woolfenden S, Sarkozy V, Ridley G, Coory M, Williams K. {{A systematic review of two outcomes in autism spectrum disorder – epilepsy and mortality}}. {Dev Med Child Neurol};2012 (Feb 21)
Aim It has been reported that rates of epilepsy and mortality are higher among the population with autism spectrum disorder (ASD) than in the general population. The aim of this systematic review is to provide comprehensive evidence for clinicians, carers, and people with ASD regarding these outcomes. Method Studies were eligible for inclusion if the main focus of the study involved observation over a period of 12 months or more of an initially defined population (with appropriate diagnostic label). Studies were also required to have at least 30 participants in order to differentiate case series from cohort studies. The Cochrane Database of Systematic Reviews, the Database of Reviews of Effectiveness, MEDLINE, PsycINFO, EMBASE, and CINAHL were searched. The date of the last search was September 2010. The risk of bias of included studies was assessed and a meta-analysis was undertaken. Results Twenty-one studies were identified, 16 measuring the percentage of participants with epilepsy and five measuring mortality using a standardized mortality ratio. The pooled estimate for the percentage of participants with epilepsy was 1.8% (95% CI 0.4-9.4%) in studies in which the majority did not have an intellectual disability and the mean age was <12 years at follow-up, and 23.7% (95% CI 17.5-30.5%) in studies in which the majority did have an intellectual disability and the mean age at follow-up was more than 12 years. The pooled estimate for the standardized mortality ratio was 2.8 (95% CI 1.8-4.2). Interpretation The prevalence of epilepsy is higher among the population with ASD than in the general population. People with ASD have a higher risk of mortality than the general population. This has important health promotion implications.
