Regarding a sensitive period for language development, babies who don't hear normal speech during their first year may have impaired language abilities.

Question

Quizplus · Accepted Answer

The concept of a sensitive period for language development suggests that there is an optimal time frame for acquiring language. If children are not exposed to language (through hearing, for example) during this critical period, particularly in the first year of life, their ability to learn language later can be significantly impaired. This is supported by research on language development and cases of children who were not exposed to language early in life.

Regarding a Sensitive Period for Language Development, Babies Who Don't