Understanding Autism Spectrum Disorders Pdf
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Understanding autism spectrum disorders pdf. Many learners with asd may face challenges related to comprehension communication difficulty understanding abstract language an insistence on sameness and a greater likelihood of anxiety and. Autism spectrum disorder asd is a developmental disorder marked by impaired social interaction limited communication behavioral challenges and a limited range of activities and interests. Restricted and repetitive behaviors rrbs are a core feature of autism spectrum disorders. Challenging for individuals with autism spectrum disorder asd who tend to thrive on consistency structure and routine.
The differences in these areas are usually noticeable prior to three years of age. Catherine barthélémy joaquin fuentes patricia howlin rutger van der gaag this document has been produced with the support of the european commission. It has been estimated to affect 1 in 54 individuals in the united states and it is more common in boys than girls. What is autism spectrum disorder.
Every individual on the autism spectrum has problems to some degree with social interaction empathy communication and flexible behavior. Although autism can be diagnosed at any age it is described as a developmental. Understanding autism spectrum disorders asds autism spectrum disorders asds are a group of related brain based disorders that affect a child s behavior social and communication skills they include 3 of 5 disorders known as pervasive developmental disorders pdds these are autistic disorder asperger syndrome and pdd not otherwise specified pdd nos. Autism spectrum disorder asd is a developmental disorder that affects communication and behavior.
They may also have unusual reactions to sensory input and demonstrate what may be considered inappropriate behaviors. Disorder because symptoms generally appear in the first two years of life. The contents of these pages do not. The last decade of research has brought new measurement techniques that have.
Doctors and psychologists define autism spectrum disorder asd as having a marked presence of three distinct disabilities. Impairment in social interaction challenges with communication and delays in language and cognitive skills. Autism spectrum disorders asd are now known to be more common than previously thought affecting as many as 1 5 million individuals nationwide. Understanding autism spectrum disorders autism is not a single disorder but a spectrum of closely related disorders with a shared core of symptoms.