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Glossary Item Description
G Therapy

G therapy is another term for homeo-biochemic formulation therapy, a homeopathic remedy based on plant oils which are highly diluted and then added to biochemical salts.


GABA is an acronym for gamma aminobutyric acid, an amino acid which acts as an inhibitory neurotransmitter in the central nervous system.

GABA Receptor Agonist

GABA receptor agonists are drugs that encourage the action of GABA (Gamma Aminobutyric Acid).


Galantamine is in a class of medications called acetylcholinesterase inhibitors or cholinesterase inhibitors.

Gamma Aminobutyric Acid

Gamma aminobutyric acid is an amino acid which acts as an inhibitory neurotransmitter in the central nervous system.

Gamma Linolenic Acid

Gamma linolenic acid is an omega-6 fatty acid found in some plants, such as borage and evening primrose.


Garlic is a herb which is sometimes used as an antifungal treatment.


GARS is an acronym for the Gilliam Autism Rating Scale, a standardised instrument for the assessment and diagnosis of autism and other severe behavioural conditions


Gastro-intestinal is a term used to describe the stomach and other parts of the digestive system.

Gastro-Oesophageal Reflux Disease

Gastro-oesophageal reflux disease (GORD) is a common condition where acid from the stomach leaks out of the stomach and up into the oesophagus (gullet).


Gastroenteritis is an infection of the stomach and bowel (large intestine).

Gaze-Contingent Display

A gaze-contingent display changes what it shows or does depending on where the viewer is looking.


GcMAF or Gc-MAF is an acronym for Gc protein-derived macrophage activating factor, a protein that primes macrophages so that they become toxic to tumours, pathogens and other harmful cells in the body.


Gemmotherapy is a type of drainage therapy, a treatment which uses the buds and other very young parts of plants to stimulate elimination of toxic compounds from the body.


A gene is the functional unit of inheritance controlling the transmission and expression of one or more traits in living organisms.

Gentle Containment

Gentle containment is another term for holding therapy, an intervention which consists of forced holding by a therapist or parent until the child stops resisting or until a fixed time period has elapsed

Gentle Teaching

Gentle teaching is a non-violent approach for helping people with special needs and sometimes challenging behaviors.


Geodon is a brand name for ziprasidone, a type of atypical antipsychotic drug.

GF diet

GF diet is an acronym for the gluten-free diet, a diet which avoids or reduces foods which contain gluten, a substance found in cereals.

Giant Steps

Giant Steps is a school-based programme which offers a range of therapies.

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 know of any other items we should include in this section, please email info@informationautism.org.

Please note that we reserve the right not to include an item if we feel that it is not appropriate.


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.