Understanding Autism Spectrum Disorders Pdf
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Understanding autism spectrum disorders pdf. Autism spectrum disorder asd is a developmental disorder that affects communication and behavior. Every individual on the autism spectrum has problems to some degree with social interaction empathy communication and flexible behavior. Impairment in social interaction challenges with communication and delays in language and cognitive skills. 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.
Persons with autism spectrum disorders identification understanding intervention an ae official document on autism elaborated by. What is autism spectrum disorder. But the level of. Although autism can be diagnosed at any age it is described as a developmental.
Disorder because symptoms generally appear in the first two years of life. They constitute a major barrier to learning and social adaptation but research on their definition cause and capacity for change has been relatively neglected. Doctors and psychologists define autism spectrum disorder asd as having a marked presence of three distinct disabilities. Catherine barthélémy joaquin fuentes patricia howlin rutger van der gaag this document has been produced with the support of the european commission.
Challenging for individuals with autism spectrum disorder asd who tend to thrive on consistency structure and routine. 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. Restricted and repetitive behaviors rrbs are a core feature of autism spectrum disorders. They may also have unusual reactions to sensory input and demonstrate what may be considered inappropriate behaviors.
It has been estimated to affect 1 in 54 individuals in the united states and it is more common in boys than girls. The last decade of research has brought new measurement techniques that have. 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.