نتایج جستجو برای: autism spectrum disorders
تعداد نتایج: 879644 فیلتر نتایج به سال:
Neurodevelopmental disorders are recognized to be relatively common in developing countries but little data exist for planning effective prevention and intervention strategies. In particular, data on autism spectrum disorders are lacking. For application in Uganda, we developed a 23-question screener (23Q) that includes the Ten Questions screener and additional questions on autism spectrum diso...
Studies of head size and brain volume in autism spectrum disorders have suggested that early cortical overgrowth may be followed by prematurely arrested growth. However, the few investigations quantifying cortical thickness have yielded inconsistent results, probably due to variable ages and/or small sample sizes. We assessed differences in cortical thickness between high-functioning adolescent...
Objectives: The present meta-analysis was aimed to evaluate the effectiveness of applied behavior analysis (ABA) on behavioral problems and difficulties in children with autism spectrum disorders in Iran. Method: A total of 142 studies published from 2005 to 2013 were reviewed and eight studies were selected for meta-analysis based on applying appropriate methodologies. The eight studies involv...
Autism is a Neurobehavioral disorder which includes the person communication, social interaction and behaviour. Autism Children are less able to interact with world than others. Autism is called a “spectrum” disorder because children’s covers large spectrum of symptoms and severity. Autism spectrum disorder (ASD) is a highly heterogeneous neuro-developmental condition with multiple causes and c...
Autism spectrum disorders are associated with atypically excessive early brain growth. Recent studies suggest that later cortical development, specifically cortical thickness, during adolescence and young adulthood is also aberrant. Nevertheless, previous studies of other surface-based metrics (e.g. surface area and gyrification) at high-resolution in autism spectrum disorders are limited. Fort...
Autism encompasses a broad range of brain disorders that, by conservative estimates, affects 1 in 500 children. Autism-Spectrum Disorders (ASDs) include Asperger’s Syndrome, Pervasive Developmental Disorder Not Otherwise Specified (PDD-NOS), Rett Syndrome (which affects only girls) and Autism. Autism Spectrum Disorders impair three main areas of human development: speech, communication and soci...
With increased public awareness of the early signs and recent American Academy of Pediatrics recommendations that all 18- and 24-month-olds be screened for autism spectrum disorders, there is an increasing need for diagnostic assessment of very young children. However, unique challenges exist in applying current diagnostic guidelines for autism spectrum disorders to children under the age of 2 ...
Autism spectrum disorders are a group of developmental disabilities characterized by atypical development in socialization, communication, and behavior. The term autism spectrum disorders describes three of the five pervasive developmental disorders, including autistic disorder, Asperger syndrome, and pervasive developmental disorder—not otherwise specified. Symptoms of autism spectrum disorder...
Chronic infectious diseases, including tick-borne infections such as Borrelia burgdorferi may have direct effects, promote other infections and create a weakened, sensitized and immunologically vulnerable state during fetal development and infancy leading to increased vulnerability for developing autism spectrum disorders. A dysfunctional synergism with other predisposing and contributing facto...
BACKGROUND Aberrant brain connectivity, especially with long-distance underconnectivity, has been recognized as a candidate pathophysiology of autism spectrum disorders. However, a number of diffusion tensor imaging studies investigating people with autism spectrum disorders have yielded inconsistent results. METHODS To test the long-distance underconnectivity hypothesis, we performed a syste...
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