According to a 2013 Study, “Sensory Response Patterns in Nonverbal Children with ASD”, it is estimated that 25 to 50% of children diagnosed with autism spectrum disorder (ASD) never develop spoken language beyond a few words or utterances. Augmentative and alternative communication (AAC) refers to communication methods that help or replace speaking or writing for individuals who struggle to production or comprehend spoken or written language. AAC includes simple systems such as pictures, gestures, and pointing, as well as more complex techniques involving computer technology.
Hypersensitivity to certain sounds and frequencies often contribute to many behaviors or learning problems. Auditory Integration Therapy (AIT) consists of playing certain frequencies that people are hypersensitive to through headphones to desensitize the person for two half-hour sessions a day for 10 consecutive days. As of 2018, AIT does not meet scientific standards for efficacy that would justify its practice by audiologists and speech-language pathologists, therefore, insurance will not cover this expense. There are two main methods – Berard Training and Tomatis. The most common improvements reported by parents include a reduction in sound sensitivity, improvement in attention and listening, and a decrease in behavioral issues. To read detailed information on studies showing some positive results visit the Autism Research Institute