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Journal of Autism and Developmental Disorders

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https://www.readbyqxmd.com/read/28447307/erratum-to-editorial-2016-in-review
#1
Fred R Volkmar
No abstract text is available yet for this article.
April 27, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28447306/the-effects-of-early-language-on-age-at-diagnosis-and-functioning-at-school-age-in-children-with-autism-spectrum-disorder
#2
Anthony Goodwin, Nicole L Matthews, Christopher J Smith
Research suggests that toddlers with no language delay (NLD) should have better outcomes than those with language delay (LD). However, the predictive utility of language milestones relative to co-varying factors such as age at diagnosis, IQ, and ASD symptomatology is unclear. This study compared school-aged children with ASD and NLD (n = 59) to a well-matched group with ASD and LD (n = 59). The LD group was diagnosed at younger ages and their historical ASD symptoms were more severe than the NLD group...
April 26, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28447305/a-discrepancy-in-comprehension-and-production-in-early-language-development-in-asd-is-it-clinically-relevant
#3
Meghan M Davidson, Susan Ellis Weismer
This study examined the extent to which a discrepant comprehension-production profile (i.e., relatively more delayed comprehension than production) is characteristic of the early language phenotype in autism spectrum disorders (ASD) and tracked the developmental progression of the profile. Our findings indicated that a discrepant comprehension-production profile distinguished toddlers (30 months) with ASD from late talkers without ASD (91% sensitivity, 100% specificity) in groups that were comparable on expressive language, age, and socioeconomic status...
April 26, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28447304/self-report-and-brain-indicators-of-impaired-emotion-regulation-in-the-broad-autism-spectrum
#4
Kristel De Groot, Jan W Van Strien
Although not used as a diagnostic criterion, impaired emotion regulation is frequently observed in autism. The present study examined self-reported use of emotion regulation strategies in individuals scoring low or high on autistic traits. In addition, the late positive potential, which is sensitive to emotional arousal, was used to examine the effect of one strategy, reappraisal. Reporting more autistic traits was related to using more maladaptive and fewer adaptive emotion regulation strategies. Across both groups, no attenuation of the late positive potential during downregulation of unpleasant pictures was found, possibly because of the used valence-changing reappraisal operationalisation...
April 26, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28447303/brief-report-metformin-for-antipsychotic-induced-weight-gain-in-youth-with-autism-spectrum-disorder
#5
Logan K Wink, Ryan Adams, Ernest V Pedapati, Kelli C Dominick, Emma Fox, Catherine Buck, Craig A Erickson
Antipsychotic treatment in youth with autism spectrum disorder (ASD) is becoming increasingly common, placing individuals at risk for antipsychotic-induced weight gain and associated complications. Metformin hydrochloride, a biguanide medication FDA-approved for treatment of type-2 diabetes in youth, may hold promise for treatment of antipsychotic-induced weight gain in youth with ASD. In this report we assess the long-term impact of metformin on antipsychotic-associated weight gain in a naturalistic sample of 53 youth with ASD...
April 26, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28444476/assessing-the-dim-light-melatonin-onset-in-adults-with-autism-spectrum-disorder-and-no-comorbid-intellectual-disability
#6
Emma K Baker, Amanda L Richdale, Agnes Hazi, Luke A Prendergast
This study assessed melatonin levels and the dim light melatonin onset (DLMO) in adults with Autism Spectrum Disorder (ASD) and also investigated the relationships between melatonin and objectively measured sleep parameters. Sixteen adults with ASD (ASD-Only), 12 adults with ASD medicated for comorbid diagnoses of anxiety and/or depression (ASD-Med) and 32 controls participated in the study. Although, the timing of the DLMO did not differ between the two groups, advances and delays of the melatonin rhythm were observed in individual profiles...
April 26, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28434058/medical-conditions-in-the-first-years-of-life-associated-with-future-diagnosis-of-asd-in-children
#7
Stacey E Alexeeff, Vincent Yau, Yinge Qian, Meghan Davignon, Frances Lynch, Phillip Crawford, Robert Davis, Lisa A Croen
This study examines medical conditions diagnosed prior to the diagnosis of autism spectrum disorder (ASD). Using a matched case control design with 3911 ASD cases and 38,609 controls, we found that 38 out of 79 medical conditions were associated with increased ASD risk. Developmental delay, mental health, and neurology conditions had the strongest associations (ORs 2.0-23.3). Moderately strong associations were observed for nutrition, genetic, ear nose and throat, and sleep conditions (ORs 2.1-3.2). Using machine learning methods, we clustered children based on their medical conditions prior to ASD diagnosis and demonstrated ASD risk stratification...
April 22, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28432451/investigating-the-use-of-world-knowledge-during-on-line-comprehension-in-adults-with-autism-spectrum-disorder
#8
Philippa L Howard, Simon P Liversedge, Valerie Benson
The on-line use of world knowledge during reading was examined in adults with autism spectrum disorder (ASD). Both ASD and typically developed adults read sentences that included plausible, implausible and anomalous thematic relations, as their eye movements were monitored. No group differences in the speed of detection of the anomalous violations were found, but the ASD group showed a delay in detection of implausible thematic relations. These findings suggest that there are subtle differences in the speed of world knowledge processing during reading in ASD...
April 21, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28429189/using-time-perception-to-explore-implicit-sensitivity-to-emotional-stimuli-in-autism-spectrum-disorder
#9
Catherine R G Jones, Anna Lambrechts, Sebastian B Gaigg
Establishing whether implicit responses to emotional cues are intact in autism spectrum disorder (ASD) is fundamental to ascertaining why their emotional understanding is compromised. We used a temporal bisection task to assess for responsiveness to face and wildlife images that varied in emotional salience. There were no significant differences between an adult ASD and comparison group, with both showing implicit overestimation of emotional stimuli. Further, there was no correlation between overestimation of emotional stimuli and autistic traits in undergraduate students...
April 20, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28425022/social-motor-synchronization-insights-for-understanding-social-behavior-in-autism
#10
Paula Fitzpatrick, Veronica Romero, Joseph L Amaral, Amie Duncan, Holly Barnard, Michael J Richardson, R C Schmidt
Impairments in social interaction and communication are critical features of ASD but the underlying processes are poorly understood. An under-explored area is the social motor synchronization that happens when we coordinate our bodies with others. Here, we explored the relationships between dynamical measures of social motor synchronization and assessments of ASD traits. We found (a) spontaneous social motor synchronization was associated with responding to joint attention, cooperation, and theory of mind while intentional social motor synchronization was associated with initiating joint attention and theory of mind; and (b) social motor synchronization was associated with ASD severity but not fully explained by motor problems...
April 19, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28425021/is-the-autism-spectrum-quotient-a-valid-measure-of-traits-associated-with-the-autism-spectrum-a-rasch-validation-in-adults-with-and-without-autism-spectrum-disorders
#11
Lars-Olov Lundqvist, Helen Lindner
The Autism-Spectrum Quotient (AQ) is among the most widely used scales assessing autistic traits in the general population. However, some aspects of the AQ are questionable. To test its scale properties, the AQ was translated into Swedish, and data were collected from 349 adults, 130 with autism spectrum disorder (ASD) and 219 without ASD, and analysed with Rasch. Several scale properties of the AQ were satisfactory but it did not meet the criterion of a unidimensional measure of autistic traits. The Rasch analysis showed that the 50-item AQ could be reduced to a 12-item subset with little loss of explanatory power, with the potential to efficiently measure the degree to which adults with and without ASD show autistic traits...
April 19, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28425020/acoustic-properties-of-cries-in-12-month-old-infants-at-high-risk-of-autism-spectrum-disorder
#12
Lisa M Unwin, Ildiko Bruz, Murray T Maybery, Victoria Reynolds, Natalie Ciccone, Cheryl Dissanayake, Martha Hickey, Andrew J O Whitehouse
There is preliminary evidence that infant siblings of children with Autism Spectrum Disorder (ASD) have an atypical pattern of cry, characterized by higher fundamental frequency and increased dysphonation. This prospective study collected multiple cry samples of 12-month old siblings of children with ASD (n = 22, 'high-risk' group) and 12-month olds with no family history of ASD (n = 27, 'low risk' group). While there was no difference between groups in the fundamental frequency or degree of phonation of the cry samples, the duration of each cry unit was significantly shorter in the high-risk siblings (p < ...
April 19, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28409361/psychometric-properties-of-the-spence-children-s-anxiety-scale-parent-report-in-children-with-autism-spectrum-disorder
#13
Katia Jitlina, Bruno Zumbo, Pat Mirenda, Laurie Ford, Teresa Bennett, Stelios Georgiades, Charlotte Waddell, Isabel M Smith, Joanne Volden, Eric Duku, Lonnie Zwaigenbaum, Peter Szatmari, Tracy Vaillancourt, Mayada Elsabbagh
Although anxiety is frequently reported in children with autism spectrum disorder (ASD), existing anxiety scales are often psychometrically inappropriate for this population. This study examined the internal structure, reliability, convergent and discriminant validity of the Spence Children's Anxiety Scale-Parent Report (SCAS-P; Spence 1999) in 238 school-aged children with ASD. While confirmatory factor analysis did not support the original six-correlated-factor structure, structural support as well as acceptable internal consistency and convergent validity was found for Generalized Anxiety, Separation Anxiety, Panic, and Agoraphobia subscales...
April 13, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28393292/comparisons-of-the-factor-structure-and-measurement-invariance-of-the-spence-children-s-anxiety-scale-parent-version-in-children-with-autism-spectrum-disorder-and-typically-developing-anxious-children
#14
Magdalena Glod, Cathy Creswell, Polly Waite, Ruth Jamieson, Helen McConachie, Mikle Don South, Jacqui Rodgers
The Spence Children's Anxiety Scale-Parent version (SCAS-P) is often used to assess anxiety in children with autism spectrum disorder (ASD), however, little is known about the validity of the tool in this population. The aim of this study was to determine whether the SCAS-P has the same factorial validity in a sample of young people with ASD (n = 285), compared to a sample of typically developing young people with anxiety disorders (n = 224). Poor model fit with all of the six hypothesised models precluded invariance testing...
April 9, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28393291/spatial-frequency-priming-of-scene-perception-in-adolescents-with-and-without-asd
#15
Steven Vanmarcke, Ilse Noens, Jean Steyaert, Johan Wagemans
While most typically developing (TD) participants have a coarse-to-fine processing style, people with autism spectrum disorder (ASD) seem to be less globally and more locally biased when processing visual information. The stimulus-specific spatial frequency content might be directly relevant to determine this temporal hierarchy of visual information processing in people with and without ASD. We implemented a semantic priming task in which (in)congruent coarse and/or fine spatial information preceded target categorization...
April 9, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28393290/maternal-exposure-to-childhood-abuse-is-associated-with-mate-selection-implications-for-autism-in-offspring
#16
Andrea L Roberts, Kristen Lyall, Marc G Weisskopf
Maternal experience of childhood abuse has been associated with offspring autism. To explore whether familial tendency towards autistic traits-presumably related to genetic predisposition-accounts for this association, we examined whether women who experienced childhood abuse were more likely to select mates with high levels of autistic traits, and whether parental autistic traits accounted for the association of maternal abuse and offspring autism in 209 autism cases and 833 controls. Maternal childhood abuse was strongly associated with high paternal autistic traits (severe abuse, OR = 3...
April 9, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28391454/atypical-gaze-cueing-pattern-in-a-complex-environment-in-individuals-with-asd
#17
Shuo Zhao, Shota Uono, Sayaka Yoshimura, Yasutaka Kubota, Motomi Toichi
Clinically, social interaction, including gaze-triggered attention, has been reported to be impaired in autism spectrum disorder (ASD), but psychological studies have generally shown intact gaze-triggered attention in ASD. These studies typically examined gaze-triggered attention under simple environmental conditions. In real life, however, the environment is complex. Previous studies have shown that an enhanced cueing effect was found when using eye gaze compared with arrow cues in unpredictably complex conditions in typically developing (TD) individuals...
April 8, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28391453/moderating-effects-of-parental-characteristics-on-the-effectiveness-of-a-theory-of-mind-training-for-children-with-autism-a-randomized-controlled-trial
#18
Danielle M J de Veld, Patricia Howlin, Elske Hoddenbach, Fleur Mulder, Imke Wolf, Hans M Koot, Ramón Lindauer, Sander Begeer
This RCT investigated whether the effect of a Theory of Mind (ToM) intervention for children with ASD was moderated by parental education level and employment, family structure, and parental ASD. Children with autism aged 8-13 years (n = 136) were randomized over a waitlist control or treatment condition. At posttest, children in the treatment condition had more ToM knowledge, showed fewer autistic features, and more ToM-related behavior than children in the control condition. Children who had one or two parents with at least a college degree, and children with parents not diagnosed with/suspected of having ASD themselves benefitted from the training...
April 8, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28391452/brief-report-does-gender-matter-in-intervention-for-asd-examining-the-impact-of-the-peers-%C3%A2-social-skills-intervention-on-social-behavior-among-females-with-asd
#19
Alana J McVey, Hillary Schiltz, Angela Haendel, Bridget K Dolan, Kirsten S Willar, Sheryl Pleiss, Jeffrey S Karst, Audrey M Carson, Christina Caiozzo, Elisabeth Vogt, Amy Vaughan Van Hecke
A paucity of research has been conducted to examine the effect of social skills intervention on females with ASD. Females with ASD may have more difficulty developing meaningful friendships than males, as the social climate can be more complex (Archer, Coyne, Personality and Social Psychology Review 9(3):212-230, 2005). This study examined whether treatment response among females differed from males. One hundred and seventy-seven adolescents and young adults with ASD (N = 177) participated in this study...
April 8, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28389756/reducing-listening-related-stress-in-school-aged-children-with-autism-spectrum-disorder
#20
Gary Rance, Donella Chisari, Kerryn Saunders, Jean-Loup Rault
High levels of stress and anxiety are common in children with Autism Spectrum Disorder (ASD). Within this study of school-aged children (20 male, 6 female) we hypothesised that functional hearing deficits (also pervasive in ASD) could be ameliorated by auditory interventions and that, as a consequence, stress levels would be reduced. The use of Ear-Level Remote Microphone devices and Classroom Amplification systems resulted in significantly improved listening, communication and social interaction and a reduction in physiologic stress levels (salivary cortisol) in both one-on-one and group listening situations...
April 7, 2017: Journal of Autism and Developmental Disorders
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