How is autism defined according to IDEA?

The definition of autism according to the Individuals with Disabilities Education Act (IDEA) focuses on it as a developmental disability that significantly affects an individual's communication and social interaction. This definition is crucial as it highlights the core characteristics of autism, which include challenges in understanding social cues, engaging in reciprocal communication, and forming relationships.

IDEA also emphasizes that autism typically manifests during the developmental period and can affect a person's ability to function effectively in various environments, including school. This understanding supports the development of appropriate educational and therapeutic interventions tailored to the needs of individuals with autism, which may include speech and language therapy, social skills training, and individualized education plans (IEPs).

In contrast, the other choices refer to different categories of disabilities that do not align with the specific characteristics identified in IDEA for autism. Therefore, recognizing autism as a developmental disability impacting communication and social interaction is essential for ensuring effective support and educational strategies for individuals on the autism spectrum.