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Journal of Autism and Developmental Disorders

Stefanie Schelinski, Katharina von Kriegstein
We tested the relation between vocal emotion and vocal pitch perception abilities in adults with high-functioning autism spectrum disorder (ASD) and pairwise matched adults with typical development. The ASD group had impaired vocal but typical non-vocal pitch and vocal timbre perception abilities. The ASD group showed less accurate vocal emotion perception than the comparison group and vocal emotion perception abilities were correlated with traits and symptoms associated with ASD. Vocal pitch and vocal emotion perception abilities were significantly correlated in the comparison group only...
July 18, 2018: Journal of Autism and Developmental Disorders
Roald A Øien, Domenic V Cicchetti, Anders Nordahl-Hansen
In this systematic map review, we aimed (1) at identifying studies including the co-occurrence of autism spectrum disorders (ASD) and gender dysphoria (GD) between 1946 and 2018, and (2) to present the papers included in this systematic map review to provide authors in the field of GD, sexuality and ASD with an important database of studies focusing on this very complex topic. The field is of emerging interest, as observed by the large increase of studies over the past decades, especially since 2015. However, future challenges are to be addressed in future studies...
July 18, 2018: Journal of Autism and Developmental Disorders
Isabel Yorke, Pippa White, Amelia Weston, Monica Rafla, Tony Charman, Emily Simonoff
The original version of this article contains additional supplementary material which was omitted during the initial submission and it was not published. These are graphical representations of the studies and effect sizes in each meta-analysis. Please note that there is no change to the main body of the article, data entered, or conclusions drawn from the meta-analyses.
July 18, 2018: Journal of Autism and Developmental Disorders
Juan Zhang, Yaxuan Meng, Jinbo He, Yutao Xiang, Chenggang Wu, Shibin Wang, Zhen Yuan
By synthesizing existing behavioural studies through a meta-analytic approach, the current study compared the performances of Autism spectrum disorder (ASD) and typically developing groups in audiovisual speech integration and investigated potential moderators that might contribute to the heterogeneity of the existing findings. In total, nine studies were included in the current study, and the pooled overall difference between the two groups was significant, g = - 0.835 (p < 0.001; 95% CI - 1.155 to - 0...
July 17, 2018: Journal of Autism and Developmental Disorders
P J Kennedy, Philip Sinfield, Lucy Tweedlie, Carol Nixon, Aisling Martin, Katie Edwards
Autistic Spectrum Disorder (ASD) affects approximately 1% of the general population. The prevalence of ASD, or symptom complexes compatible with ASD, amongst young people residing within Secure Children's Homes (SCH's) remains ill understood. There are critical implications for the resourcing and understanding of the management of young people with social/communication difficulties. This paper describes a preliminary investigation of the prevalence of ASD within SCH's in the UK. The Social Communication Questionnaire (SCQ) was completed with support workers for 113 adolescents admitted to two SCH's in England as a screen for ASD...
July 17, 2018: Journal of Autism and Developmental Disorders
Masakazu Ide, Ayako Yaguchi, Misako Sano, Reiko Fukatsu, Makoto Wada
Many individuals with autism spectrum disorder (ASD) have symptoms of sensory hypersensitivity. Several studies have shown high individual variations in temporal processing of tactile stimuli. We hypothesized that these individual differences are linked to differences in hyper-reactivity among individuals with ASD. Participants performed two tasks as to vibrotactile stimuli: One is a temporal order judgement task, and another is a detection task. We found that individuals with ASD with higher temporal resolution tended to have more severe hypersensitivity symptoms...
July 17, 2018: Journal of Autism and Developmental Disorders
Zachary J Williams, Michelle D Failla, Katherine O Gotham, Tiffany G Woynaroski, Carissa Cascio
The Short Sensory Profile (SSP) is one of the most commonly used measures of sensory features in children with autism spectrum disorder (ASD), but psychometric studies in this population are limited. Using confirmatory factor analysis, we evaluated the structural validity of the SSP subscales in ASD children. Confirmatory factor models exhibited poor fit, and a follow-up exploratory factor analysis suggested a 9-factor structure that only replicated three of the seven original subscales. Secondary analyses suggest that while reliable, the SSP total score is substantially biased by individual differences on dimensions other than the general factor...
July 17, 2018: Journal of Autism and Developmental Disorders
Claire A G J Huijnen, Monique A S Lexis, Rianne Jansens, Luc P de Witte
The aim of this research was to study roles, strengths and challenges of robot-mediated interventions using robot KASPAR for children with autism spectrum disorder (ASD). Twelve focus group sessions were organized in which 70 ASD care and/or education professionals participated. Six roles for KASPAR were identified: provoker, reinforcer, trainer, mediator, prompter, and diagnostic information provider. Strengths of KASPAR are related to personalisation possibilities, its playfulness, the action-reaction principle, its neutral expression, consistent and repetitive application of actions, possibilities to vary behaviour in a controlled manner and having an extra hand...
July 17, 2018: Journal of Autism and Developmental Disorders
L Bell, A Wittkowski, D J Hare
Movement disorders are reported in idiopathic autism but the extent to which comparable movement disorders are found in syndromic/co-morbid autism is unknown. A systematic search of Medline, Embase, PsychINFO and CINAHL on the prevalence of specific movement disorder in syndromic autism associated with specific genetic syndromes identified 16 papers, all relating to Angelman syndrome or Rett syndrome. Prevalence rates of 72.7-100% and 25.0-27.3% were reported for ataxia and tremor, respectively, in Angelman syndrome...
July 16, 2018: Journal of Autism and Developmental Disorders
Junya Fujino, Shisei Tei, Takashi Itahashi, Yuta Aoki, Haruhisa Ohta, Chieko Kanai, Manabu Kubota, Ryu-Ichiro Hashimoto, Motoaki Nakamura, Nobumasa Kato, Hidehiko Takahashi
The sunk cost effect, an interesting and well-known decision bias, is pervasive in real life and has been studied in various disciplines. In this study, we modified a task exemplifying the sunk cost effect and used it to evaluate this behavior in individuals with autism spectrum disorder (ASD). The control group exhibited a typical sunk cost effect in our task. We found that the sunk cost effect was lower in the ASD group than in the control group. The results agree with previous evidence of reduced sensitivity to context stimuli in individuals with ASD and extend this finding to the context of the sunk cost effect...
July 16, 2018: Journal of Autism and Developmental Disorders
Brandon Keehn, Marissa Westerfield, Jeanne Townsend
This study investigates how task-irrelevant auditory information is processed in children with autism spectrum disorder (ASD). Eighteen children with ASD and 19 age- and IQ-matched typically developing (TD) children were presented with semantically-congruent and incongruent picture-sound pairs, and in separate tasks were instructed to attend to only visual or both audio-visual sensory channels. Preliminary results showed that when required to attend to both modalities, both groups were equally slowed for semantically-incongruent compared to congruent pairs...
July 16, 2018: Journal of Autism and Developmental Disorders
Jeanne Van Cleave, Chloe Holifield, Ann M Neumeyer, James M Perrin, Erin Powers, Linda Van, Karen A Kuhlthau
We examined barriers and facilitators to expanding primary care's capacity to manage conditions associated with autism spectrum disorder (ASD). We conducted semi-structured interviews with specialists, primary care providers (PCPs), primary care staff, and parents of children with ASD, discussing health/behavior problems encountered, co-management, and patient/family experience. Participants endorsed primary care as the right place for ASD-associated conditions. Specialists advising PCPs, in lieu of referrals, efficiently uses their expertise...
July 7, 2018: Journal of Autism and Developmental Disorders
Han-Ting Wei, Ju-Wei Hsu, Kai-Lin Huang, Ya-Mei Bai, Tung-Ping Su, Cheng-Ta Li, Wei-Chen Lin, Shih-Jen Tsai, Tai-Long Pan, Tzeng-Ji Chen, Mu-Hong Chen
ADHD comorbidity has been associated with delayed diagnosis of ASD, but no study has investigated this association in an Asian country. Children with ASD were included and divided into three groups: ADHD before ASD, ADHD same/after ASD, and ASD only. Timing of ASD and ADHD diagnoses were assessed. The logistic regression model was performed to investigate the likelihood of being diagnosed with ASD after 6 years of age between three groups. ADHD before ASD (OR 10.93) group was more likely to being diagnosed with ASD after 6 years of age compared with ADHD same/after ASD (OR: 1...
July 7, 2018: Journal of Autism and Developmental Disorders
Jill Locke, Ariana Anderson, Lindsay Frederick, Connie Kasari
This study used social network analysis to evaluate whether sex heterophily, the degree to which peers are different in sex, between 126 children with autism (ages 5-12 years) and their peers affected social network connectivity. Results indicate that: (1) the quantity and sex of friends were more important in predicting social network connectivity than the relational characteristics of the friends (friendship nominations and social network salience/popularity); and (2) sex heterophily is an important factor in predicting social network connectivity...
July 7, 2018: Journal of Autism and Developmental Disorders
Robyn Steward, Laura Crane, Eilish Mairi Roy, Anna Remington, Elizabeth Pellicano
Although menarche and menstruation are perceived to be overwhelmingly negative events for developmentally-disabled women, women's health issues remain under-researched in autism. Here, we conducted a preliminary investigation of the experiences of post-menarcheal autistic (n = 123) and non-autistic (n = 114) respondents to a brief online survey. Although autistic respondents reported many overlapping issues and experiences with non-autistic respondents, they also highlighted distinct-and sometimes-distressing-issues relating to menstruation, especially a cyclical amplification of autistic-related challenges, including sensory differences and difficulties with regulating emotion and behavior, which had a significant, negative impact on their lives...
July 7, 2018: Journal of Autism and Developmental Disorders
Patricia Abbott, Francesca G Happé, Rebecca A Charlton
Little is known about cognition in autism spectrum disorder (ASD) across adulthood. We examined executive function abilities and autism traits in 134 adults receiving a first diagnosis of ASD. Participants aged 18-75 years with abilities in the normal range were assessed on executive function and self-report autism traits. Results suggest that for some abilities relying on speed and sequencing (Trails A and B; Digit Symbol), late-diagnosed individuals with ASD may demonstrate better performance than typical age-norms...
July 6, 2018: Journal of Autism and Developmental Disorders
Jeffrey B Jackson, Sarah R Steward, Susanne Olsen Roper, Bertranna A Muruthi
The purpose of this study was to interview parents of children with severe or profound intellectual and developmental disabilities to determine the perceived value of support groups and identify recommendations for support group design based on their experiences and feedback. Despite varied experiences with support groups, most parents indicated the value of support groups is in providing a place where parents can feel understood and both share and gather information. Parents recommended support groups be targeted for parents of children with similar disabilities and needs, have flexible structures and qualified leaders, and offer a wide variety of content in various formats...
July 6, 2018: Journal of Autism and Developmental Disorders
Darlene A Brodeur, Jillian Stewart, Tamara Dawkins, Jacob A Burack
The findings are evidence that persons with ASD benefit more than typically developing (TD) persons from spatial framing cues in focusing their attention on a visual target. Participants were administered a forced-choice task to assess visual filtering. A target stimulus was presented on a screen and flanker stimuli were presented simultaneously with or after the target, with varying stimuli onset asynchronies (SOAs). Regardless of SOA, TD children showed the expected distracting effects with slower reaction times (RTs) when flankers were at closer distances from the target...
July 5, 2018: Journal of Autism and Developmental Disorders
Cynthia Nevison, Mark Blaxill, Walter Zahorodny
Time trends in U.S. autism prevalence from three ongoing datasets [Individuals with Disabilities Education Act, Autism and Developmental Disabilities Monitoring Network, and California Department of Developmental Services (CDDS)] are calculated using two different methods: (1) constant-age tracking of 8 year-olds and (2) age-resolved snapshots. The data are consistent across methods in showing a strong upward trend over time. The prevalence of autism in the CDDS dataset, the longest of the three data records, increased from 0...
July 5, 2018: Journal of Autism and Developmental Disorders
Valérie La Buissonnière-Ariza, Jeffrey J Wood, Philip C Kendall, Nicole M McBride, Sandra L Cepeda, Brent J Small, Adam B Lewin, Connor Kerns, Eric A Storch
We investigated the presentation and correlates of hoarding behaviors in 204 children aged 7-13 with autism spectrum disorder (ASD) and comorbid anxiety or obsessive-compulsive disorder (OCD) symptoms. Approximately 34% of the sample presented at least moderate levels, and with 7% presenting severe to extreme levels of hoarding. Child gender predicted hoarding severity. In addition, child ASD-related social difficulties together with attention-deficit and hyperactivity disorder symptom severity positively predicted hoarding controlling for child gender and restricted and repetitive behaviors...
July 4, 2018: Journal of Autism and Developmental Disorders
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