Different types of Autism spectrum

Understanding the unique challenges each type of  presents will guide you in helping your child cope. There are five main types of autism spectrum disorder Australia, including Asperger’s syndrome, Rett’s syndrome, childhood anxiety disorder, Kanner’s, and Pervasive Developmental Disorder – Not Elsewhere Specified.


Although Asperger syndrome was common before 2013, medical professionals no longer use the word. It has been reclassified as a Level 1 autism spectrum disorder by the DSM-5 diagnostic guidelines. Still, Asperger’s can be misused. The autistic community uses it more than a Level 1 autism spectrum disorder.


Rett syndrome is a rare neurodevelopmental disorder that is diagnosed in childhood. This problem mainly affects girls, although it can still be interpreted in boys. Rett syndrome presents challenges that affect almost every area of ​​a child’s life. The good thing is that your child can still enjoy and live a fulfilling life with proper care. You can spend family time together and support the child to do what he loves.


Childhood disintegrative disorder (CDD), also known as Heller’s syndrome or disintegrative psychosis, is a neurodevelopmental disorder characterized by early developmental problems in language, motor skills, or social functioning. A child who experiences normal development in these areas only has issues after three years and up to ten years. Developmental delays can be devastating to parents who don’t know their child has autism from the start.

The cause of CDD is unknown, although researchers have linked it to the neurobiology of the brain. Childhood anxiety disorder is more common in boys. In 10 cases of illness, nine will be boys, and only one will be girls.


Johns Hopkins University psychiatrist Leo Kanner discovered Kanner syndrome in 1943 when he called it autism. Doctors also describe the condition as a prominent autistic syndrome. Children with Kanner syndrome will be healthy, alert, and intelligent, and the characteristics of the disorder include:

  1. No emotional connection with others


  1. Communication and relationship challenges


  1. Uncontrolled speech


  1. A passion for action


High rote memory and visuospatial skills have significant learning difficulties in other areas.


Pervasive Developmental Disorder-Not Specified (PDD-NOS) is a mild form of autism with many symptoms. The most common symptoms are difficulties in social and language development.

Your child may have delays in language development, walking and other motor skills. You can identify this type of autism by looking at the child and seeing where the child shows deficits, such as interacting with others. PDD-NOS is sometimes referred to as “subthreshold autism” because it is a term used to describe someone who has some, but not all, of the symptoms of autism.

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