Key Points. 1  Cancer treatment can cause mouth and throat problems. 2  Oral complications may be caused by the treatment itself (directly) or by side effects of the treatment (indirectly). 3  Complications may be acute (short-term) or chronic (long-lasting).
Language deprivation. Language deprivation is associated with the lack of linguistic stimuli that are necessary for the language acquisition processes in an individual, usually in a very impoverished environment. Experiments involving language deprivation are very scarce due to the ethical controversy associated with it.
By Richard Nordquist. Definition. A linguistic term for the end or extinction of a language. Also called language extinction. Distinctions are commonly drawn between an endangered language (one with few or no children learning the language) and an extinct language (one in which the last native speaker has died). See Examples and Observations below.