Understanding Autism Spectrum Disorders Pdf
Understanding autism spectrum disorders autism is not a single disorder but a spectrum of closely related disorders with a shared core of symptoms.
Understanding autism spectrum disorders pdf. Although autism can be diagnosed at any age it is described as a developmental. 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. They may also have unusual reactions to sensory input and demonstrate what may be considered inappropriate behaviors. 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.
People with autism may have difficulties in communication and social understanding. What is autism spectrum disorder. Disorder because symptoms generally appear in the first two years of life. Doctors and psychologists define autism spectrum disorder asd as having a marked presence of three distinct disabilities.
The contents of these pages do not. Autism spectrum disorder asd is a developmental disorder that affects communication and behavior. 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. Impairment in social interaction challenges with communication and delays in language and cognitive skills.
Challenging for individuals with autism spectrum disorder asd who tend to thrive on consistency structure and routine. It has been estimated to affect 1 in 54 individuals in the united states and it is more common in boys than girls. But the level of. Restricted and repetitive behaviors rrbs are a core feature of autism spectrum disorders.
Autism spectrum disorders asd are now known to be more common than previously thought affecting as many as 1 5 million individuals nationwide. Catherine barthélémy joaquin fuentes patricia howlin rutger van der gaag this document has been produced with the support of the european commission. The last decade of research has brought new measurement techniques that have. Persons with autism spectrum disorders identification understanding intervention an ae official document on autism elaborated by.