- The Timeline And History Of Autism
- Search Disorders
- About Autism | NHGRI
- Chapter II - Background: Understanding Autism
- Autism Spectrum Disorder
Since many people were diagnosed prior to the change in the classification system and since many professionals still refer to the pre labels, we summarize them here for your reference. These three disorders share many of the same symptoms, but they differ in their severity and impact. Autistic disorder was the most severe. Childhood disintegrative disorder and Rett Syndrome were also among the pervasive developmental disorders. If your child is developmentally delayed or exhibits other autism-like behaviors, you will need to visit a medical professional or a clinical psychologist who specializes in diagnostic testing for a thorough evaluation.
Your doctor can help you figure out whether your child has Autism Spectrum Disorder and how severely he or she is affected. We present problems with social skills separately from problems with speech and language, to make it easier for parents to quickly identify symptoms. Basic social interaction can be difficult for children with autism spectrum disorders.
Symptoms may include:. Many children with Autism Spectrum Disorder struggle with speech and language comprehension. Children with Autism Spectrum Disorder are often restricted, rigid, and even obsessive in their behaviors, activities, and interests. Children with Autism Spectrum Disorder tend to be less spontaneous than other kids. They also show differences in the way they play.
The Timeline And History Of Autism
They may have trouble with functional play, or using toys that have a basic intended use, such as toy tools or cooking set. Sensory problems — Many children with autism spectrum disorders either underreact or overreact to sensory stimuli. At times they may ignore people speaking to them, even to the point of appearing deaf.
However, at other times they may be disturbed by even the softest sounds.
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Sudden noises such as a ringing telephone can be upsetting, and they may respond by covering their ears and making repetitive noises to drown out the offending sound. Children on the autism spectrum also tend to be highly sensitive to touch and to texture. They may cringe at a pat on the back or the feel of certain fabric against their skin.
Emotional difficulties — Children with autism spectrum disorders may have difficulty regulating their emotions or expressing them appropriately. For instance, your child may start to yell, cry, or laugh hysterically for no apparent reason. When stressed, he or she may exhibit disruptive or even aggressive behavior breaking things, hitting others, or harming him or herself. The National Dissemination Center for Children with Disabilities also notes that kids with ASD may be unfazed by real dangers like moving vehicles or heights, yet be terrified of harmless objects such as a stuffed animal.
Uneven cognitive abilities — ASD occurs at all intelligence levels. However, even kids with normal to high intelligence often have unevenly developed cognitive skills.
Not surprisingly, verbal skills tend to be weaker than nonverbal skills. In addition, children with Autism spectrum disorder typically do well on tasks involving immediate memory or visual skills, while tasks involving symbolic or abstract thinking are more difficult. The most common savant skills involve mathematical calculations, calendars, artistic and musical abilities, and feats of memory. For example, an autistic savant might be able to multiply large numbers in his or her head, play a piano concerto after hearing it once, or quickly memorize complex maps.
About Autism | NHGRI
The road to an ASD diagnosis can be difficult and time-consuming. In fact, it is often two to three years after the first symptoms of ASD are noticed before an official diagnosis is made.
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- Autism Spectrum Disorder Fact Sheet.
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- Autism Spectrum Disorder Fact Sheet | National Institute of Neurological Disorders and Stroke!
- Chronological history of autism.
This is due in large part to concerns about labeling or incorrectly diagnosing the child. In order to determine whether your child has autism spectrum disorder or another developmental condition, clinicians look carefully at the way your child interacts with others, communicates, and behaves.
Chapter II - Background: Understanding Autism
Diagnosis is based on the patterns of behavior that are revealed. If you are concerned that your child has autism spectrum disorder and developmental screening confirms the risk, ask your family doctor or pediatrician to refer you immediately to an autism specialist or team of specialists for a comprehensive evaluation. Since the diagnosis of autism spectrum disorder is complicated, it is essential that you meet with experts who have training and experience in this highly specialized area.
Diagnosing Autism Spectrum Disorder is not a brief process. Medical exam — The medical evaluation includes a general physical, a neurological exam, lab tests, and genetic testing. Together with their families they make up around 2. The prevalence rate is based on two relatively recent studies, one of children and the other of adults. The prevalence study of children, Baird G.get link
Autism Spectrum Disorder
This is the only known prevalence study to have been done of an adult population. Early intervention would help individuals with autism and their families experience a better quality of life and reduce the high costs incurred in later years, saving public money. Jigsaw runs a number of workshops on Autism and other associated subjects.