What is Autism Spectrum Disorder?
Autism spectrum disorder is defined as a complex neurodevelopmental difference that is present from birth or emerges in the early years of life. Although the exact cause of autism is not fully understood, it is believed to have a genetic basis and is thought to result from certain neurological conditions that affect the structure or functioning of the brain. While it is not yet known which gene or genes are responsible, there are also views suggesting that environmental factors may contribute to autism. Individuals with autism spectrum disorder show impairments in two core areas.