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What’s the difference between autism and Asperger’s disorder?
By Andrew Cashin, Southern Cross University
Swedish climate activist Greta Thunberg describes herself as having Asperger’s while others on the autism spectrum, such as Australian comedian Hannah Gatsby, describe themselves as “autistic”. But what’s the difference?
Today, the previous diagnoses of “Asperger’s disorder” and “autistic disorder” both fall within the diagnosis of autism spectrum disorder, or ASD.
Autism describes a “neurotype” – a person’s thinking and information-processing style. Autism is one of the forms of diversity in human thinking, which comes with strengths and challenges.
When these challenges become overwhelming and impact how a person learns, plays, works or socialises, a diagnosis of autism spectrum disorder is made.
Where do the definitions come from?
The Diagnostic and Statistical Manual of Mental Disorders (DSM) outlines the criteria clinicians use to diagnose mental illnesses and behavioural disorders.
Between 1994 and 2013, autistic disorder and Asperger’s disorder were the two primary diagnoses related to autism in the fourth edition of the manual, the DSM-4.
In 2013, the DSM-5 collapsed both diagnoses into one autism spectrum disorder.
How did we used to think about autism?
The two thinkers behind the DSM-4 diagnostic categories were Baltimore psychiatrist Leo Kanner and Viennese paediatrician Hans Asperger. They described the challenges faced by people who were later diagnosed with autistic disorder and Asperger’s disorder.
Kanner and Asperger observed patterns of behaviour that differed to typical thinkers in the domains of communication, social interaction and flexibility of behaviour and thinking. The variance was associated with challenges in adaptation and distress.
Between the 1940s and 1994, the majority of those diagnosed with autism also had an intellectual disability. Clinicians became focused on the accompanying intellectual disability as a necessary part of autism.
The introduction of Asperger’s disorder shifted this focus and acknowledged the diversity in autism. In the DSM-4 it superficially looked like autistic disorder and Asperger’s disorder were different things, with the Asperger’s criteria stating there could be no intellectual disability or delay in the development of speech.
Read Full Story https://theconversation.com/whats-the-difference-between-autism-and-aspergers-disorder-223643