Autism was first recognised by Leo Kanner in 1943 - a hugely complex neurological disorder marked by the "Triad of Impairments" which shows difficulties in the areas of communication, social interaction and imagination. It is also a spectrum disorder in which the individual demonstrating traits of autism can fit in anywhere within the spectrum. The symptoms can vary from mild to moderate to severe where some show accompanying learning disabilities. Autistic children appear to be indifferen...