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Glossary Item Description
Animal-Assisted Activities and Therapies

Animal-assisted activities and therapies are a group of therapies that involve a person interacting with one or more animals.


Anoretic or anorexigenic drugs are used to help reduce the appetite.

Antecedent-Based Interventions

Antecedent-based interventions antecede (take place before) the behaviour that you wish to change.

Antiallergy Interventions

Antiallergy Interventions are a group of interventions which range from over-the-counter and prescription medications to vitamin therapy, nutritional supplements, and reduction of allergens in a person's surroundings

Antianxiety Drugs

Antianxiety drugs, another term for anxiolytics, are a class of drugs used to treat feelings of anxiety or nervousness caused by stress or psychological problems.


Antibiotics are a class of drugs used used to treat, and in some cases prevent, bacterial infections.


An antibody is a protein used by the immune system to identify and neutralize foreign objects like bacteria and viruses.


Antidiabetics are drugs which are used to treat the symptoms of diabetes.

Antidiuretic Hormone

Antidiuretic hormone is another term for vasopressin, a hormone which plays an important role in increasing water re-absorption in the kidneys. It has also been implicated in social behaviours and in reducing anxiety.

Antiepileptic Drugs

Antiepileptic drugs is another term for anticonvulsants, a group of drugs designed to prevent or reduce the severity of fits (convulsions) in various types of epilepsy.

Antifungal Drugs

Antifungal drugs are a class of drugs used to treat fungal and yeast infections.

Antifungal Foods and Supplements

Antifungal foods and supplements include a wide range of foodstuffs and dietary supplements which some people believe have antifungal properties.


Antihistamines are a class of drugs used to treat the effects of histamine (a chemical released during allergic reactions).


Antihypertensives are a class of drugs used to treat hypertension (high blood pressure).


Antioxidants are substances, including some medications and some food supplements, which are used to slow or inhibit the oxidization of other chemicals.


Antiprotozoal drugs are used to treat a variety of diseases caused by protozoa. 


Antipsychotics are a type of psychoative drug which are used to treat a range of mental health problems including psychosis, anxiety and dementia.


Anxiolytics are a class of drugs used to treat feelings of anxiety or nervousness caused by stress or psychological problems. They are also used for sleeplessness and other problems.

Applied Behaviour Analysis

Applied behaviour analysis (also known as ABA)  is a systematic way of observing someone's behaviour, identifying desirable changes in that behaviour and then using the most appropriate methods to make those changes.


Apps is an abbreviation for computer applications. An app is a piece of software that can run on the Internet, on your computer, or on your phone or other electronic device.

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.