This glossary is designed to explain some of the scientific terminology, abbreviations etc. 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.
Over time we hope to evaluate each of the interventions listed in this glossary, providing a ranking which tells you the level of scientific evidence which supports or does not support its use. For more information please see Treatments and Therapies for Autism Currently Under Scientific Evaluation by Research Autism
T3 is another name for triiodothyronine, a thyroid hormone.
Tai chi is a gentle exercise program and form of martial art that is a part of Traditional Chinese Medicine (TCM).
Short name for the Hanen Program for Parents of Verbal Children on the Autism Spectrum, which is designed for families with children aged three to seven on the mild end of the autism spectrum
Natural substance found in some plants which has anti-oxidant properties. It is sometimes used as an anti-fungal treatment.
Outburst of childish or petulant bad temper.
Side effect of some anti-psychotic drugs, characterized by repetitive, involuntary, purposeless movements.
A brand name for tianeptine, a selective serotonin reuptake enhancer used to treat depression and anxiety.
Taurine is an amino acid. It is found in large amounts in the brain, retina, heart, and blood cells.
Acronym for Traditional Chinese Medicine, a complete medical system based on ensuring that opposing energies, called yin and yang, are in balance and that the life force or energy in every body, called qi, is also balanced and flowing freely.
Acronym for Treatment and Education of Autistic and Communication-Handicapped Children, a term which describes the various activities undertaken by Division TEACCH, part of the Department of Psychiatry of the School of Medicine at the University of North Carolina in the USA.
10-step procedure designed to help students learn appropriate social and school-related behaviours.
Team Teach provides training for child and adult services in positive behavioural strategies.
A brand name for carbamazepine, a type of anti-convulsant designed to prevent or reduce the severity of seizures.
Tenormin® is a brand name for atenolol, a type of drug called an α-adrenergic antagonist (alpha blocker).
A type of anti-fungal medication used to treat athlete’s foot, fungal nail infections and fungal skin infections.
A brand name of Terbinafine hydrochloride, a type of anti-fungal medication used to treat athlete’s foot, fungal nail infections and fungal skin infections.
Main male sex hormone, a steroid which controls the growth and functioning of the male sex organs. Believed by some to reduce the effectiveness of chelation, a chemical intervention used to treat autism.
Testosterone regulation involves using a drug, such as leuprolide, to reduce the amount of testosterone and oestrogen in the body.
Tetrahydrobiopterin is a naturally occurring nutrient and essential cofactor of the three aromatic amino acid hydroxylase enzymes.
Another term for EDTA, a synthetic solution used as a chelating agent to remove heavy metals from the body.