autism spectrum disorders

Autism Spectrum Disorders

The term “Autism Spectrum Disorder” refers to developmental disorders that can cause significant challenges in one’s social skills, communication and behaviour.

ASD has replaced previously separate diagnoses such as Autistic Disorder, Asperger’s syndrome, and Pervasive Developmental Disorder – Not Otherwise Specified (PDD-NOS). These conditions are now collectively called Autism Spectrum Disorder. It is called a “spectrum” disorder because people with ASD can have a range of symptoms.


Screening and Diagnosis of Autism Spectrum Disorder

As there is no medical test, such as a scan or blood test, that can diagnose Autism Spectrum Disorder, it can be difficult to diagnose children with the disorder. Doctors will need to look at a child’s developmental history and behaviour to make a diagnosis.


Signs of ASD include:

  • Delayed speech and language skills
  • Consistent repetition of words or phrases (i.e., echolalia)
  • Persistent avoidance of eye-contact and preference for social isolation
  • Difficulty understanding other people’s feelings and perception taking
  • Difficulty sustaining a conversation
  • Under developed play and social skills
  • Presence of obsessive, restricted interest(s)
  • Being easily upset by minor change(s) in a routine
  • Unusual reactions to certain sounds, smells, tastes, textures or sights
  • Odd repetitive body movements


Children can be screened at 12 months of age, with a reliable diagnosis by a trained professional being possible after 2 years of age.

An ASD assessment is two-fold, comprising of:

  • Developmental screening to ensure that development has been age appropriate and,
  • Comprehensive diagnostic evaluation which is often carried out by either Developmental Paediatricians, Child Neurologists, Child/Clinical Psychologists or Psychiatrists. Speech and Occupational Therapy assessments, at times, are also done concurrently to rule out any underlying conditions that maybe the cause of communication and behavioural symptoms.

Comprehensive diagnostic evaluations consist of both observing the child in various setting and, objective tools assessing the triad of challenges (i.e. Language/Communication Delays, Play/Social Delays and Restricted and Rigid Behaviours) seen among individuals with ASD.


What happens after a ASD diagnosis?

Distinctions will be made according to severity levels. These will influence support services and academic accommodations required by the child.

Often parents ask one of the two questions:

  1. Why does my child need to be evaluated
  2. How is this evaluation done?

Evaluations leading to a diagnostic label can be daunting for most people. However, an accurate and proper diagnosis is crucial for understanding your child’s current functioning and, level of challenges. Rather, it is also imperative in assisting psychologists, medical doctors and educators, identify individualized treatments, strategies, educational placements and academic accommodations that aim at assisting your child develop to his/her fullest potential, whilst continuously challenging him/her to develop further.


Autism Treatment

There is currently no treatment for ASD, but there are several interventions that have been proven to help children reduce symptoms, improve cognitive ability and daily living skills, and maximize their ability to function and participate in the community.

Every child diagnosed with ASD has an individualised intervention plan. This plan is tailored to meet his/her developmental and educational needs and family resources. This plan will include programmes that address specific needs such as speech and language, occupational and behavioural therapies.

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