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Glossary Item Description

Psychology is the scientific study of the human mind and behaviour: how we think, feel, act and interact, individually and in groups.

Psychomotor Patterning

Psychomotor patterning is another term for patterning therapies, a range of interventions based on a series of movement patterns which are designed to facilitate neurological feedback to the brain.


Psychopharmacology is the branch of medicine that deals with the study of the actions, effects, and development of psychoactive drugs.


Psychosis is a mental health problem in which a person's perception of reality becomes distorted, often accompanied by delusions and or hallucinations.


Psychotherapy is a type of psychological intervention used to treat emotional problems and mental health conditions.


Psychotropic is another term for psychoactive, a term used to describe substances, such as drugs, which affect the mind or mental processes.


PTR is an acronym for the prevent-teach-reinforce model, a type of individualised positive behavioural support.

Publication Bias

Publication bias is the publication or non-publication of research findings, depending on the nature and direction of the results.

Purine-Free Diet

The purine-free diet requires you to avoid foodstuffs which contain high levels of purine, such as some fish, some meats and some beverages.


Pyridoxine is another name for vitamin B-6, a water-soluble vitamin found in foodstuffs such as beans, nuts and cereals.

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.