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.
A mixed language is a language that arises through the fusion of usually two source languages, normally in situations of thorough bilingualism (Meakins, 2013), so that it is not possible to classify the resulting language as belonging to either of the language families that were its sources.