Neurobehavioural: Having to do with the way the brain affects emotion, behavior, and learning

is brain damage that has been demonstrated as being less severe than brain damage in ARND/FAS. Neurological disorder is a term that in not in common use in Canada yet. It is used for a type of brain damage less than that seen in ARND or FAS when maternal confirmation is impossible or not forthcoming.

a substance that kills neurons, which are nerve cells. In the case of pregnancy a neurotoxin destroys developing neurons. Mercury and lead are two other well-known neurotoxins.