What is Autism Spectrum Disorder?

Autism spectrum disorder (ASD) is a neurodevelopmental disorder that can cause significant social, communication and behavioural challenges. This video explores the previous and updated diagnostic criteria for ASD according to the Diagnostic and Statistical Manual of Mental Disorders (DSM). In 2013 was the new edition of this manual published (DSM-5). The DSM-5 redefined the autism spectrum to encompass the previous (DSM-IV-TR) diagnoses of autism, Asperger syndrome, pervasive developmental disorder not otherwise specified (PDD-NOS), and childhood disintegrative disorder. Autistic individuals are now placed on a continuum depending on the severity of their symptoms.

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