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Glossary Item Description
Vitamin D

Vitamin D is a fat soluble vitamin found in a small number of foods but we get most of our vitamin D from the action of sunlight on our skin.

Vitamin H

Vitamin H is another term for biotin, which is part of the B complex group of vitamins.


Vitamins are essential substances that cannot be manufactured by the body.


VOCA is an acronym for voice output communication aid, a form of augmentative electronic device which enables the user to speak.

Vocational Intervention

Vocational interventions include any services, programmes or initiatives which are designed to help someone find, get and keep a job.

Voice Output Communication Aid

Voice output communication aids (VOCAs) or speech generating devices (SGDs) are electronic devices which enable the user to speak.

Vojta Method or Therapy

The Vojta method or therapy is a type of patterning therapy which is based on a series of movement patterns which are designed to facilitate neurological feedback to the brain.

About This Glossary

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

You may be able to find more information, including links to other parts of this website, by clicking on the title of an item.

If you can't find the word you are looking for, or you know of a word we should include, please email info@researchautism.net


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.