Signs and Symptoms of Autism Spectrum Disorder
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Key points
Autism spectrum disorder (ASD) is a developmental disability caused by differences in the brain.
People with ASD often have problems with social communication and interaction, and restricted or repetitive behaviors or interests.
People with ASD may also have different ways of learning, moving, or paying attention.
It is important to note that some people without ASD might also have some of these symptoms. But for people with ASD, these characteristics can make life very challenging.
Signs and symptoms
Signs and symptoms
Social communication and interaction skills
Social communication and interaction skills
Social communication and interaction skills can be challenging for people with ASD.
Examples of social communication and social interaction characteristics related to ASD can include
Avoids or does not keep eye contact
Does not respond to name by 9 months of age
Does not show facial expressions such as happy, sad, angry, and surprised by 9 months of age
Does not play simple interactive games like pat-a-cake by 12 months of age
Uses few or no gestures by 12 months of age (for example, does not wave goodbye)
Does not share interests with others by 15 months of age (for example, shows you an object that they like)
Does not point to show you something interesting by 18 months of age
Does not notice when others are hurt or upset by 24 months (2 years) of age
Does not notice other children and join them in play by 36 months (3 years) of age
Does not pretend to be something else, like a teacher or superhero, during play by 48 months (4 years) of age
Does not sing, dance, or act for you by 60 months (5 years) of age
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