Santé Montréal

Autism Spectrum Disorder (ASD)

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What is an Autism Spectrum Disorder (ASD)2

Autism spectrum disorder is present in the first years of life.

Persons with an ASD diagnosis show persistent deficits in communication and social interactions, combined with restricted and repetitive behaviours, activities and interests.

This implies a significant impact on their social, school, professional functioning, as well as on any important area of their life.


(2) The Autism Spectrum Disorder (ASD) replaces the « Pervasive developmental disorder » (PDD) since the publication of the DSM-V, 2015)

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When to Consult

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Protection and prevention

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Risk factors

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Help and Resources

Access Guichet DI-TSA-DP

The ID-ASD-PD Access Desk receives and processes applications for CLSC services and rehabilitation services for clients with intellectual disabilities (ID), autism spectrum disorders (ASD) or physical disabilities (PD).

For more information or services request, visit :

- ID-ASD-PD Access.

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People at Risk

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Dernière mise à jour le : 2018.04.19