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AUTISM SPECTRUM DISORDERS (ASD)

April 21, 2019

Earlier this month, World Autism Awareness Day was observed on April 2 with the theme “Assistive Technologies, Active Participation.”

About: 

  • Conditions covered: Autism spectrum disorders (ASD) are a group of complex brain development disorders. This umbrella term covers conditions such as autism and Asperger syndrome. 

  • Characteristics: These disorders are characterized by difficulties in social interaction and communication and a restricted and repetitive repertoire of interests and activities. Around 50% of persons with ASD also suffer from an intellectual disability. 

  • Cause: 
    • Various factors, both genetic and environmental, contribute to the onset of autism spectrum disorders by influencing early brain development. 

    • According to WHO, there is no evidence of a link between measles-mumps-rubella (MMR) vaccine and autism spectrum disorders. Previous studies suggesting a causal link were found to be seriously flawed. 



  • Prevalence: According to WHO estimates, 1 child in 160 has an autism spectrum disorder. This is an average figure, and reported prevalence varies substantially across studies. 

  • World Autism Awareness Day (WAAD): In 2008, The United Nations General Assembly unanimously declared 2 April as World Autism Awareness Day. 

Source : The Hindu

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