An Autism meltdown might occur from a want not being met or even inability to adapt to a chance in the environment, however once a certain point is reached in a meltdown, nothing will be able to satisfy the child until the situation is over.
Get more information and signs on High Functioning Autism. You would be surprised of how many kids have this but are often misdiagnosed or judge for just being a "bad kid". autism, high functioning, high functioning autism www.
Autism Spectrum Disorders in Adolescents and Adults