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Autism Spectrum Disorder

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https://www.readbyqxmd.com/read/28343342/caregiver-teacher-concordance-of-challenging-behaviors-in-children-with-autism-spectrum-disorder-served-in-community-mental-health-settings
#1
Nicole Stadnick, Colby Chlebowski, Lauren Brookman-Frazee
Children with autism spectrum disorder (ASD) exhibit high rates of challenging behaviors that impair functioning and represent the primary presenting problem in mental health (MH) services. Obtaining symptom reports from multiple informants is critical for treatment planning. This study evaluated caregiver-teacher concordance of ratings of the intensity of challenging behaviors in children with ASD receiving MH services, and identified child clinical factors associated with concordance. This sample included 141 children (M = 9...
March 25, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28342404/cognitive-behavioural-therapy-and-mindfulness-based-stress-reduction-may-be-equally-effective-in-reducing-anxiety-and-depression-in-adults-with-autism-spectrum-disorders
#2
Bram B Sizoo, Erik Kuiper
Anxiety and depression co-occur in 50-70% of adults with autism spectrum disorder (ASD) but treatment methods for these comorbid problems have not been systematically studied. Recently, two ASD-tailored protocols were published: mindfulness based stress reduction (MBSR) and cognitive behavioural therapy (CBT). We wanted to investigate if both methods are equally effective in reducing anxiety and depression symptoms among adults with ASD. 59 adults with ASD and anxiety or depression scores above 7 on the Hospital Anxiety and Depression Scale, gave informed consent to participate; 27 followed the CBT protocol, and 32 the MBSR treatment protocol...
March 22, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28339177/multisensory-speech-perception-in-autism-spectrum-disorder-from-phoneme-to-whole-word-perception
#3
Ryan A Stevenson, Sarah H Baum, Magali Segers, Susanne Ferber, Morgan D Barense, Mark T Wallace
Speech perception in noisy environments is boosted when a listener can see the speaker's mouth and integrate the auditory and visual speech information. Autistic children have a diminished capacity to integrate sensory information across modalities, which contributes to core symptoms of autism, such as impairments in social communication. We investigated the abilities of autistic and typically-developing (TD) children to integrate auditory and visual speech stimuli in various signal-to-noise ratios (SNR). Measurements of both whole-word and phoneme recognition were recorded...
March 24, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28339176/identification-of-likely-associations-between-cerebral-folate-deficiency-and-complex-genetic-and-metabolic-pathogenesis-of-autism-spectrum-disorders-by-utilization-of-a-pilot-interaction-modeling-approach
#4
Daniel Krsička, Jan Geryk, Markéta Vlčková, Markéta Havlovicová, Milan Macek, Radka Pourová
Recently, cerebral folate deficiency (CFD) was suggested to be involved in the pathogenesis of autism spectrum disorders (ASD). However, the exact role of folate metabolism in the pathogenesis of ASD, identification of underlying pathogenic mechanisms and impaired metabolic pathways remain unexplained. The aim of our study was to develop and test a novel, unbiased, bioinformatics approach in order to identify links between ASD and disturbed cerebral metabolism by focusing on abnormal folate metabolism, which could foster patient stratification and novel therapeutic interventions...
March 24, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28339168/parental-relationship-satisfaction-in-families-of-children-with-autism-spectrum-disorder-asd-a-multilevel-analysis
#5
Emma Langley, Vasiliki Totsika, Richard P Hastings
Caring for a child with Autism Spectrum Disorder (ASD) has been linked to a range of negative outcomes for parents but less is known about the putative impact upon the parental couple relationship. The relationship satisfaction of parents of children with ASD was investigated using multilevel modeling. Mothers and fathers (146 couples) reported on their relationship satisfaction, their own well-being, and the behavior problems of the child with ASD and a sibling. Results indicated that mothers and fathers reported similar levels of relationship satisfaction and it was significantly and negatively associated with parental depression and the behavior problems of the child with ASD...
March 24, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28339164/are-schizophrenia-autistic-and-obsessive-spectrum-disorders-dissociable-on-the-basis-of-neuroimaging-morphological-findings-a-voxel-based-meta-analysis
#6
Franco Cauda, Tommaso Costa, Andrea Nani, Luciano Fava, Sara Palermo, Francesca Bianco, Sergio Duca, Karina Tatu, Roberto Keller
Schizophrenia spectrum disorder (SCZD), autism spectrum disorder (ASD), and obsessive-compulsive spectrum disorder (OCSD) are considered as three separate psychiatric conditions with, supposedly, different brain alterations patterns. From a neuroimaging perspective, this meta-analytic study aimed to address whether this nosographical differentiation is actually supported by different brain patterns of gray matter (GM) or white matter (WM) morphological alterations. We explored two possibilities: (a) to find out whether GM alterations are specific for SCZD, ASD, and OCSD; and (b) to associate the identified brain alteration patterns with cognitive dysfunctions by means of an analysis of lesion decoding...
March 24, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28339141/don-t-touch-me-autistic-traits-modulate-early-and-late-erp-components-during-visual-perception-of-social-touch
#7
Leehe Peled-Avron, Simone G Shamay-Tsoory
Although individuals with autism spectrum disorder (ASD) have impaired responses to interpersonal touch, the underlying neural correlates remain largely unknown. Here, we examined the neural correlates that underlie interpersonal touch perception in individuals with either high or low autistic traits. Fifty-three participants were classified as having either high or low autistic traits based on their performance on the autism quotient (AQ) questionnaire. We hypothesized that individuals with high AQ scores would have relatively high touch hypervigilance, reflected as earlier P1 and stronger late positive potential (LPP) responses, two components of event-related potentials that serve as electrophysiological markers of anxiety bias...
March 24, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28339140/acquisition-of-voice-onset-time-in-toddlers-at-high-and-low-risk-for-autism-spectrum-disorder
#8
Karen Chenausky, Helen Tager-Flusberg
Although language delay is common in autism spectrum disorder (ASD), research is equivocal on whether speech development is affected. We used acoustic methods to investigate the existence of sub-perceptual differences in the speech of toddlers who developed ASD. Development of the distinction between b and p was prospectively tracked in 22 toddlers at low risk for ASD (LRC), 22 at high risk for ASD without ASD (HRA-), and 11 at high risk for ASD who were diagnosed with ASD at 36 months (HRA+). Voice onset time (VOT), the main acoustic difference between b and p, was measured from spontaneously produced words at 18, 24, and 36 months...
March 24, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28337569/erratum-to-a-profile-on-emergency-department-utilization-in-adolescents-and-young-adults-with-autism-spectrum-disorders
#9
Guodong Liu, Amanda M Pearl, Lan Kong, Douglas L Leslie, Michael J Murray
No abstract text is available yet for this article.
March 23, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28335879/are-social-and-communication-difficulties-a-risk-factor-for-the-development-of-social-anxiety
#10
Hannah Pickard, Fruhling Rijsdijk, Francesca Happé, William Mandy
OBJECTIVE: Social anxiety (SA) is a common condition associated with social and communication (SC) difficulties in typically developing young people, as well as those with autism spectrum disorder (ASD). Whether SC difficulties place children at risk for developing SA is unclear. Using a longitudinal design, the present study aimed to disentangle the relationship between SA symptoms and SC difficulties using a population-based sample of 9,491 children from the Avon Longitudinal Study of Parents and Children (ALSPAC)...
April 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28335875/age-at-first-identification-of-autism-spectrum-disorder-an-analysis-of-two-us-surveys
#11
R Christopher Sheldrick, Melissa P Maye, Alice S Carter
OBJECTIVE: Evidence regarding the age at which autism spectrum disorder (ASD) is identified is essential for improving early detection, yet many extant studies have not applied time-to-event analyses, which account for statistical biases that arise from sampling in cross-sectional surveys by adjusting for child age at time of parental report. Our objective was to estimate age distributions for first identification of ASD in national parent surveys using time-to-event analyses. METHOD: We conducted time-to-event analyses of responses to identical questions in the 2011 to 2012 National Survey of Children's Health (n = 95,677) and the 2009 to 2010 National Survey of Children with Special Health Care Needs (n = 371,617)...
April 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28335871/early-identification-of-autism-spectrum-disorder-is-diagnosis-by-age-3-a-reasonable-goal
#12
EDITORIAL
Angela M Reiersen
No abstract text is available yet for this article.
April 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28335658/dopamine-antagonists-for-treatment-resistance-in-autism-spectrum-disorders-review-and-focus-on-bdnf-stimulators-loxapine-and-amitriptyline
#13
Jessica A Hellings, L Eugene Arnold, Joan Han
Drug development is urgently needed for individuals with autism spectrum disorders (ASD) and psychiatric comorbidity, which often presents as aggression and self-injury. At the same time, most psychiatric medications are drugs that have been repurposed following clinical observations of efficacy for a new treatment purpose. Areas Covered: This review aims to provide an overview of dopamine antagonists, including classical and atypical, as well as unconventional antipsychotics in ASD, since they are a mainstay of treatment for such problems...
March 24, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28335467/through-the-kinesthetic-lens-observation-of-social-attunement-in-autism-spectrum-disorders
#14
Rosemarie Samaritter, Helen Payne
This paper will present a movement-informed perspective to social attunement in Autism Spectrum Disorders (ASD). BACKGROUND: Dance movement therapy (DMT) is a psychotherapeutic intervention that is used with participants with ASD in various settings. Regular clinical outcome monitoring in an outpatient setting in the Netherlands had shown positive effects on social attunement capacities in young people with ASD. However, a systematic study of the development of social attunement movement behaviors of participants with ASD throughout a DMT intervention was not yet available...
March 18, 2017: Behavioral Sciences
https://www.readbyqxmd.com/read/28335463/dysfunctional-mtorc1-signaling-a-convergent-mechanism-between-syndromic-and-nonsyndromic-forms-of-autism-spectrum-disorder
#15
REVIEW
Juliana Magdalon, Sandra M Sánchez-Sánchez, Karina Griesi-Oliveira, Andréa L Sertié
Whereas autism spectrum disorder (ASD) exhibits striking heterogeneity in genetics and clinical presentation, dysfunction of mechanistic target of rapamycin complex 1 (mTORC1) signaling pathway has been identified as a molecular feature common to several well-characterized syndromes with high prevalence of ASD. Additionally, recent findings have also implicated mTORC1 signaling abnormalities in a subset of nonsyndromic ASD, suggesting that defective mTORC1 pathway may be a potential converging mechanism in ASD pathology across different etiologies...
March 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28334080/cortical-thickness-abnormalities-in-autism-spectrum-disorders-through-late-childhood-adolescence-and-adulthood-a-large-scale-mri-study
#16
Budhachandra S Khundrakpam, John D Lewis, Penelope Kostopoulos, Felix Carbonell, Alan C Evans
Neuroimaging studies in autism spectrum disorders (ASDs) have provided inconsistent evidence of cortical abnormality. This is probably due to the small sample sizes used in most studies, and important differences in sample characteristics, particularly age, as well as to the heterogeneity of the disorder. To address these issues, we assessed abnormalities in ASD within the Autism Brain Imaging Data Exchange data set, which comprises data from approximately 1100 individuals (~6-55 years). A subset of these data that met stringent quality control and inclusion criteria (560 male subjects; 266 ASD; age = 6-35 years) were used to compute age-specific differences in cortical thickness in ASD and the relationship of any such differences to symptom severity of ASD...
February 18, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28334053/new-insights-of-altered-lipid-profile-in-fragile-x-syndrome
#17
Artuela Çaku, Nabil G Seidah, Audrey Lortie, Nancy Gagné, Patrice Perron, Jean Dubé, Francois Corbin
BACKGROUND: Fragile X Syndrome (FXS) is the main genetic cause of autism and intellectual deficiency resulting the absence of the Fragile X Mental Retardation Protein (FMRP). Clinical picture is characterized by cognitive impairment associated with a broad spectrum of psychiatric comorbidities including autism spectrum disorders and attention-deficit/hyperactivity disorders. Some of these disorders have been associated with lipid abnormalities and lower cholesterol levels. Since lipids are important for neuronal development, we aim to investigate the lipid profile of French Canadian-FXS individuals and to identify the altered components of cholesterol metabolism as well as their association with clinical profile...
2017: PloS One
https://www.readbyqxmd.com/read/28333849/autism-spectrum-disorder-in-males-with-sex-chromosome-aneuploidy-xxy-klinefelter-syndrome-xyy-and-xxyy
#18
Nicole R Tartaglia, Rebecca Wilson, Judith S Miller, Jessica Rafalko, Lisa Cordeiro, Shanlee Davis, David Hessl, Judith Ross
OBJECTIVE: Neurodevelopmental concerns in males with sex chromosome aneuploidy (SCA) (XXY/Klinefelter syndrome, XYY, XXYY) include symptoms seen in autism spectrum disorder (ASD), such as language impairments and social difficulties. We aimed to: (1) evaluate ASD characteristics in research cohorts of SCA males under DSM-IV compared to DSM-5 criteria, and (2) analyze factors associated with ASD diagnoses in SCA. METHODS: Evaluation of participants with XXY/KS (n=20), XYY (n=57) and XXYY (n=21) included medical history, cognitive/adaptive testing, Social Communication Questionnaire, Social Responsiveness Scale, Autism Diagnostic Observation Schedule, Autism Diagnostic Interview-Revised, and DSM ASD criteria...
March 21, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28333847/management-of-children-with-autism-spectrum-disorder-in-the-anesthesia-and-radiographic-context
#19
Ingalill G Berglund, Berit Björkman, Karing Enskär, Maria Faresjö, Karina Huus
OBJECTIVE: As a primary objective, this study purports to develop guidelines to better care for children with autism spectrum disorder (ASD), particularly regarding these children's preparation for anesthesia and radiologic procedures. METHODS: Using a Delphi method with an online distribution of questionnaire, guidelines for caring for children with ASD were created. Twenty-one participants were included in the expert panel. These participants were working with children with ASD in several anesthesia and radiology departments in Sweden...
March 21, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28333493/bayesian-approaches-to-autism-towards-volatility-action-and-behavior
#20
Colin J Palmer, Rebecca P Lawson, Jakob Hohwy
Autism spectrum disorder currently lacks an explanation that bridges cognitive, computational, and neural domains. In the past 5 years, progress has been sought in this area by drawing on Bayesian probability theory to describe both social and nonsocial aspects of autism in terms of systematic differences in the processing of sensory information in the brain. The present article begins by synthesizing the existing literature in this regard, including an introduction to the topic for unfamiliar readers. The key proposal is that autism is characterized by a greater weighting of sensory information in updating probabilistic representations of the environment...
March 23, 2017: Psychological Bulletin
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