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Glossary Item Description

Neurotypical is a term sometimes used to describe people who are not on the autism spectrum.

NHS Information Standard

The NHS Information Standard is a certification programme for all organisations producing evidence-based health and care information for the public.


NICE is an acronym for the National Institute for Health and Care  Excellence, the independent, UK organisation responsible for providing national guidance on the promotion of good health and the prevention and treatment of ill health.


Nizoral is a brand name for ketoconazole, a type of antifungal medication used to treat fungal infections.


NLP is an acronym for neuro-linguistic programming, an intervention based on changing the way you think about something in order to change the way you behave towards that thing.

NMDA Receptor Antagonists

NMDA receptor antagonists are a class of anesthetics that work to antagonise (inhibit) the action of the N-methyl d-aspartate receptor (NMDAR).

Noise Reduction Headphones

Noise reduction headphones are headphones which are designed to reduce ambient noise (noise generated by the environment).


According to Autism Speaks

"Non-compliance is used to describe when an individual does not or refuses to follow the directions, rules or wishes of someone else."

Non-Steroidal Anti-Inflammatory Drugs

Non-steroidal anti-inflammatory drugs (NSAIDs) are medications widely used to relieve pain, reduce inflammation, and bring down a high temperature (fever).

Non-Verbal Learning Disorder

Non-verbal learning disorder is a condition in which individuals demonstrate the behaviour pattern of Asperger syndrome and also have problems with the non-verbal skills of arithmetic and some visuo-spatial skills.

Nonverbal Reading Approach

The nonverbal reading approach is a reading strategy designed for students with severe speech and physical impairments.


Nootropil is a brand name for piracetam, a drug sometimes taken as a dietary supplement which is designed to protect the cerebral cortex in the brain against a deficiency of oxygen.


Noradrenalin is a hormone and neurotransmitter secreted by the adrenal medulla and the nerve endings of the sympathetic nervous system.


Norepinephrine, also called levarterenol and noradrenalin, is a hormone and neurotransmitter that causes vasoconstriction and increases in heart rate, blood pressure, and the sugar level of the blood.


Norpramin is a brand name for desipramine, a type of tricyclic antidepresssant, which is used to treat depression.


Nortriptyline is a tricyclic antidepressant, sold under a variety of brand names including Allegron, Aventyl and Pamelor.


Nosology is the systematic classification of diseases, disorders and other conditions.

Nourishing Traditions Diet

The Nourishing Traditions diet requires you to consume a combination of traditional food types while avoiding processed foods.

Nova Scotia Early Intensive Behavior Intervention model

The Nova Scotia Early Intensive Behavioral Intervention model is used in Nova Scotia and is based on a behavioural intervention called pivotal response training.


NRA is an acronym for the nonverbal reading approach, a reading strategy designed for students with severe speech and physical impairments.

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.