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Many causes of autism, including environmental and genetic factors, have been recognized or proposed, but understanding of the theory of causation of autism is incomplete. [1] Attempts have been made to incorporate the known genetic and environmental causes into a comprehensive causative framework. [2]
Despite many important English-publishing autism researchers being fluent in German, and his work being covered in some English language works, Asperger's concept of autism would be almost unknown by non-German-speaking psychological professionals until the 1970s.
Autism, formally called autism spectrum disorder ( ASD) or autism spectrum condition ( ASC ), [6] is a neurodevelopmental disorder marked by deficits in reciprocal social communication with non-autistic people, and the presence of restricted and repetitive patterns of behavior. Other common signs include difficulties with social interaction ...
- Lifelong
- Multifactorial, with many uncertain factors
- 1 in 100 children (1%) worldwide
- History
- Symptoms
- Frequency
- Causes
- Diagnosis
- Treatment
- Related Pages
- Other Websites
Early history
The word “autism” comes from the Greek word “autos”, meaning “self.” The term describes conditions in which a person is removed from social interaction: an “isolated self”. The term "autism" was first used by a psychiatrist named Eugen Bleuler in 1911 to describe one group of symptoms of schizophrenia. Sigmund Freud considered this idea and thought it was related to narcissism.
Discovery
In the 1940s, two researchers were studying autism in different countries; Hans Asperger in Austria and Leo Kanner in the United States. In 1943 Kanner (a doctor from Johns Hopkins University) did a study of 11 children. He found out that they had difficulties such as changing environments, being sensitive to certain stimuli, having speech problems, and allergies to food. Later he named the children’s condition “early infantile autism”, now called autismspectrum disorder. Hans Asperger was do...
Later history
Schizophrenia and autism were linked in many researchers’ studies. It was in the 1960s when medical professionals started to see these two disorders as separate conditions. Since 1980, Kanner’s so-called "early infantile autism" is listed in the Diagnostic and Statistical Manual of Mental Disorders (DSM). It had a more accurate definition of autism in 1987. Since then, early infantile autism is called autism disorder. For the first time the DSM also introduced standardized criteria to diagnos...
Onset
These are the two areas where symptoms must be present to diagnose autism spectrum disorders. Both the ICD-11 and DSM-5 say that there have to be some symptoms in childhood, but that sometimes symptoms won't fully manifest until later.
Social Interaction and Communication
Difficulty in social interactions and communicating with each other. Some examples are: 1. may not understand body language or other forms of non-verbal communication 2. may not like to make eye contact 3. may have difficulty making friends 4. may prefer being alone, or not interested in making friends 5. may not speak or speak less than others 6. may have difficulty in knowing how other people feel
Restricted, repetitive and inflexible behavior
This means behavior that happens over and over again and it is difficult to change. This can happen in many different situations: talking, routine, body movements, and others. Some examples include: 1. trouble dealing with changes in routineor unexpected events. 1. may do the same things at the same time or the same places 2. too concerned with ruleswhile playing 3. enjoy lining up or sorting objects 4. the same body movements repeatedly (stimming) 4.1. rocking, walking on tiptoes,flapping ha...
There are many studies on how many autistic people there are. In the United States, the CDC does studies. In 2018, they found that 1 in 44 children are autistic. That is about 2%. According to the World Health Organization (WHO), 1 in 100 children worldwide are diagnosed with autism. This number keeps going up.Many people wonder why there are more ...
Scientistsdo not know exactly what causes autism. There may be many different causes for autism. Scientists do know about some things that make a person more likely to have an Autism Spectrum Disorder.
Diagnosing autism can be hard because there is no medical test like a blood test. Instead, an evaluation is made by a team of doctors and other health professionals who are experienced in autism and know the person trying to get diagnosed.
Since autism is a spectrum, every person with autism is different. Different treatments help different people. There are a few different categories of treatment. The main ones are medication, different therapies and diets. The treatment is fitted depending on what a person with autism needs.
Media related to Autism spectrumat Wikimedia CommonsAutism spectrum at the Open Directory ProjectNational Autistic Society http://www.autism.org.ukThe exact causes of autism are unknown, but it is believed that both genetic and environmental factors play a role in its development. Multiple studies have shown structural and functional atypicalities in the brains of autistic people. [39]
- Social isolation, employment problems, stress, self-harm, suicide
- By age two or three
- Lifelong
A 2003 review of epidemiological studies of children found autism rates ranging from 0.03 to 4.84 per 1,000, with the ratio of autism to Asperger syndrome ranging from 1.5:1 to 16:1; combining the geometric mean ratio of 5:1 with a conservative prevalence estimate for autism of 1.3 per 1,000 suggests indirectly that the prevalence of AS might ...
Apr 28, 2022 · Despite prior studies showing that learners with autism grasp English language faster than their mother tongue due to the linguistic component of English, findings demonstrate that children with autism still struggle with the language. Autism has been shown to be different and unique in its own manner in children.
