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FIAS is an intensive, relationship-based intervention designed to help parents of children on the autism spectrum aged aged 1 - 4 years old.

The treatment includes a three-week intensive phase (6 hours a day, 7 days a  week) involving the whole family who live in an specially adapted apartment.

Parents are trained in how to interact with their children and the intervention is personalised to the needs of each family.

FIAS was developed and is run by the FIAS Therapy Center of the University Psychiatric Hospital Basel, Switzerland.

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This glossary is designed to explain some of the jargon and gobbledygook used by some people when they talk about autism or research..

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The fact that an intervention is listed in this glossary does not necessarily mean that we agree with its use. Nor does it necessarily mean that there is any scientifically valid or reliable evidence behind it.