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What Is Autism Spectrum Disorder?

Understanding Autism

Autism spectrum disorder (ASD), commonly called autism, is a developmental condition that affects how a person communicates, interacts with others, and experiences the world. Autism is described as a spectrum because individuals with autism have a wide range of strengths, abilities, and support needs.

Young girl with curly hair laughing

Some children with autism develop spoken language, while others may communicate through gestures, pictures, or communication devices. Some children enjoy interacting with peers but have difficulty navigating social situations, while others may prefer different types of social interaction. Each child’s development is unique.

Common Characteristics of Autism

Autism is characterized by differences in two main areas:

Social Communication and Interaction

Children with autism may develop and use communication and social skills differently from other children. These differences can include:

  • Delays or differences in speech and language development.
  • Difficulty using or understanding gestures, facial expressions, or other forms of nonverbal communication.
  • Differences in initiating or responding to social interactions.
  • Difficulty engaging in back-and-forth conversations or shared activities.
  • Challenges developing play skills or interacting with peers.

Some children with autism are very interested in social relationships, while others may prefer more independent activities. Social strengths and challenges vary from child to child.

Repetitive Behaviors, Routines, Interests, and Sensory Differences

Children with autism may also demonstrate:

  • Repetitive movements, such as hand flapping or rocking.
  • Repeating words or phrases they have heard.
  • Strong preferences for familiar routines or difficulty adjusting to unexpected changes.
  • Highly focused interests in particular objects, topics, or activities.
  • Repetitive ways of playing with toys or exploring objects.
  • Heightened or reduced sensitivity to sounds, textures, lights, or other sensory experiences.

These characteristics are not necessarily problematic. For example, repetitive movements may provide comfort, and focused interests can be sources of enjoyment and learning. Support may be helpful when these differences interfere with a child’s safety, communication, participation, or everyday activities.

Every Child with Autism Is Different

Autism affects each child differently, and a child’s strengths and support needs may change as they grow and develop.

Understanding each child’s individual needs is important when determining what services and supports may be beneficial.

How Can ABA Therapy Help?

Applied behavior analysis (ABA) is an evidence-based approach to helping children with autism develop meaningful skills. Depending on the child’s needs, treatment may focus on communication, play, social interaction, independence, and skills that help children participate more successfully in everyday activities.

At Autism Behavior Intervention (ABI), treatment is individualized, with goals developed around each child’s strengths, needs, and family priorities. Our focus is on helping children build skills that make a meaningful difference in their lives.

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