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Glossary Item Description
Essential Fatty Acids

Essential fatty acids are polyunsaturated fatty acids that cannot be created within the human body and must therefore be obtained from the diet.


Estrogen is another spelling of oestrogen, a hormone which is used to treat a range of medical issues in women.


Ethics is that branch of philosophy dealing with values relating to human conduct, with respect to the rightness and wrongness of certain actions and to the goodness and badness of the motives and ends of such actions.


Ethosuximide is a type of anticonvulsant sold under various brand names including Zarontin.

Ethylene-Diamine-Tetra-Acetic Acid

Ethylene-diamine-tetra-acetic acid (EDTA) is a synthetic solution used as a chelating agent to remove heavy metals from the body.

Ethylenedinitrilotetraacetic Acid

Ethylenedinitrilotetraacetic acid is another name for EDTA, a synthetic solution used as a chelating agent to remove heavy metals from the body.


Etiology is an alternative spelling of aetiology, the science that deals with the causes or origin of disease, the factors which produce or predispose toward a certain disease or disorder.


Everolimus is a type of medication called a kinase inhibitor and is sold under a variety of brand names including Afinitor.

Exclusion Diet

An exclusion diet is a diet in which the individual avoids foodstuffs containing certain things, such as gluten or casein, which are believed to be harmful to that individual.

Executive Function

Executive function is a set of mental processes that helps people connect past experience with present action.

Executive Function Training

Executive function training is any kind of training that is designed to improve executive functioning, which is the set of cognitive abilities that control and regulate other abilities and behaviours.


Exelon is a brand name for rivastigmine, a drug which is usually used to treat Alzheimer's disease and other forms of dementia.


Exergaming is a term used to describe video games that are also a form of exercise.

Exploring Depression: Cognitive Behaviour Therapy to Understand and Cope with Depression

Exploring Depression: Cognitive behaviour therapy to understand and cope with depression is a multi-component programme aimed at adolescents.

Expressive Writing

Expressive writing is another term for therapeutic writing, a form of creative / expressive psychotherapy in which someone expresses their feelings through writing.


Extinction is the withdrawal or removal of reinforcers of interfering behaviour in order to reduce the occurrence of that behaviour.

Eye Movement Desensitization and Reprocessing

Eye movement desensitization and reprocessing is a treatment in which the therapist moves her fingers back and forth in front of your face and asks you to follow these hand motions with your eyes, while recalling a disturbing event.

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.