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.
If your child is speech/language delayed, their hearing should be tested. Intellectual disabililtyis a common cause of speech and language delay. Extreme environmental deprivation can cause speech delay. If a child is neglected or abused and does not hear others speaking, they will not learn to speak.