نتایج جستجو برای: asd

تعداد نتایج: 9898  

2012
Marjorie Solomon Meghan Miller Sandra L. Taylor Stephen P. Hinshaw Cameron S. Carter

Findings regarding phenotypic differences between boys and girls with ASD are mixed. We compared autism and internalizing symptoms in a sample of 8-18 year-old girls (n = 20) and boys (n = 20) with ASD and typically developing (TYP) girls (n = 19) and boys (n = 17). Girls with ASD were more impaired than TYP girls but did not differ from boys with ASD in autism symptoms. In adolescence, girls w...

Journal: :Journal of autism and developmental disorders 2015
Eirini Flouri Emily Midouhas Tony Charman Zahra Sarmadi

We investigated the longitudinal relationship between socio-economic disadvantage (SED) and trajectories of emotional and conduct problems among children with autism spectrum disorder (ASD) who had comorbid attention deficit/hyperactivity disorder (ADHD; ASD + ADHD) or not (ASD - ADHD). The sample was 209 children with ASD who took part in the UK's Millennium Cohort Study. Trajectories of probl...

Journal: :razavi international journal of medicine 0
ghasem sadeghi bajestani department of biomedical engineering, science and research branch, islamic azad university, tehran, ir iran; department of biomedical engineering, science and research branch, islamic azad university, tehran, ir iran ali sheikhani department of biomedical engineering, science and research branch, islamic azad university, tehran, ir iran mohammad reza hashemi golpayegani department of biomedical engineering, amir kabir university of technology, tehran, ir iran farah ashrafzadeh paediatric neurology division, qaem hospital, mashhad university of medical sciences, mashhad, ir iran paria hebrani department of paediatrics, dr sheikh paediatric hospital, mashhad university of medical sciences, ir iran

conclusions the most effected parts in asd are lateral connections of hmasd. two-sided connections which are completely symmetric become more active, and cause extra synchronization. on the other hand, due to special characteristic of two-sided connections and their ability to simulate the same phased dynamics, they cause unnatural asymmetry in children’s eeg signal. these results are consisten...

2012
Jurriaan M. Peters Maxime Taquet Shafali S. Jeste Iván Sánchez Jacqueline Tan Charles A. Nelson Mustafa Sahin Simon K. Warfield Jurriaan Peters

Background: Graph theory has been recently introduced to characterize complex brain networks, making it highly suitable to investigate altered connectivity in neurologic disorders. A current model proposes autism spectrum disorder (ASD) as a developmental disconnection syndrome, supported by converging evidence in both non-syndromic and syndromic ASD. However, the effects of abnormal connectivi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تحصیلات تکمیلی صنعتی کرمان - دانشکده عمران 1390

یکی از روشهای پیش بینی تغییرات اقلیمی استفاده از داده های بدست آمده از خروجی مدلهای جهانی اقلیم gcm(global climate model) است. قدرت تفکیک مدلهای جهانی اقلیم به حدود 000/ 40 کیلومتر مربع می رسد. فاصله زیاد گره های شبکه از یکدیگر استفاده از خروجی این مدلها را محدود می سازد. این تحقیق با استفاده از داده های ncep و gcm انجام و از روش ریز مقیاس نمایی آماری statistical downscaling برای مدلسازی چهار پ...

Journal: :Journal of child psychology and psychiatry, and allied disciplines 2012
Jo Moss Patricia Howlin Iliana Magiati Chris Oliver

BACKGROUND The prevalence of autism spectrum disorder (ASD) symptomatology is comparatively high in Cornelia de Lange syndrome (CdLS). However, the profile and developmental trajectories of these ASD characteristics are potentially different to those observed in individuals with idiopathic ASD. In this study we examine the ASD profile in CdLS in comparison to a matched group of individuals with...

Journal: :Annals of neurology 2015
Inna Fishman Michael Datko Yuliana Cabrera Ruth A Carper Ralph-Axel Müller

OBJECTIVE Converging evidence indicates that brain abnormalities in autism spectrum disorder (ASD) involve atypical network connectivity, but few studies have integrated functional with structural connectivity measures. This multimodal investigation examined functional and structural connectivity of the imitation network in children and adolescents with ASD, and its links with clinical symptoms...

Journal: :Cerebral cortex 2013
William W Lewis Mustafa Sahin Benoit Scherrer Jurriaan M Peters Ralph O Suarez Vanessa K Vogel-Farley Shafali S Jeste Matthew C Gregas Sanjay P Prabhu Charles A Nelson Simon K Warfield

The purpose of this study was to examine the relationship between language pathways and autism spectrum disorders (ASDs) in patients with tuberous sclerosis complex (TSC). An advanced diffusion-weighted magnetic resonance imaging (MRI) was performed on 42 patients with TSC and 42 age-matched controls. Using a validated automatic method, white matter language pathways were identified and microst...

Journal: :Biological Psychiatry 2016
Amanda Elton Adriana Di Martino Heather Cody Hazlett Wei Gao

BACKGROUND Autism spectrum disorder (ASD) encompasses a complex manifestation of symptoms that include deficits in social interaction and repetitive or stereotyped interests and behaviors. In keeping with the increasing recognition of the dimensional characteristics of ASD symptoms and the categorical nature of a diagnosis, we sought to delineate the neural mechanisms of ASD symptoms based on t...

Journal: :Developmental disabilities research reviews 2011
Sarah C Bauer Michael E Msall

Children with autism spectrum disorders (ASD) have unique developmental and behavioral phenotypes, and they have specific challenges with communication, social skills, and repetitive behaviors. At this time, no single etiology for ASD has been identified. However, evidence from family studies and linkage analyses suggests that genetic factors play a pivotal role in the etiology of ASD. However,...

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