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Glossary Item Description
Amyotrophic Lateral Sclerosis

Amyotrophic lateral sclerosis is a progressive neurodegenerative condition caused by the degeneration of motor neurons.


Anafranil is a brand name of clomipramine, a type of tricyclic antidepressant, used to treat a range of conditions including depression, phobias, obsessional disorders and cataplexy.


Anecdotal is a term which means subjective, usually unpublished, observations.


Aneurine is another term for Vitamin B-1, one of the B group of vitamins.

Angelman Syndrome

Angelman syndrome is a genetic disorder that affects the nervous system and causes severe physical and intellectual disability.

Anger and Aggression

According to Mind 'Anger is a natural response to feeling attacked, injured or violated.

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.


Anorexia nervosa is a type of  eating disorder where you try to keep your weight as low as possible by not eating enough food, exercising too much, or both.

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).

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.