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The process of language acquisition is varied among deaf children. Deaf children born to deaf parents are typically exposed to a sign language at birth and their language acquisition follows a typical developmental timeline. [1] [2] [3] However, at least 90% of deaf children are born to hearing parents who use a spoken language at home. [4]
For deaf and hard of hearing children especially, a strong language foundation in a signed language paired with a spoken language (or written) sets the stage for literacy later on. In a study conducted with Deaf and hearing individuals, psychologists found that deaf children born to deaf parents were the most proficient at code-switching.
Manual babbling is a linguistic phenomenon that has been observed in deaf children and hearing children born to deaf parents who have been exposed to sign language. Manual babbles are characterized by repetitive movements that are confined to a limited area in front of the body similar to the sign-phonetic space used in sign languages.
Language exposure for children is the act of making language readily available and accessible during the critical period for language acquisition.Deaf and hard of hearing children, when compared to their hearing peers, tend to face barriers to accessing language when it comes to ensuring that they will receive accessible language during their formative years. [1]
Prelingual hearing loss can be considered congenital, present at birth, or acquired, occurring after birth before the age of one. Congenital hearing loss can be a result of maternal factors (rubella, cytomegalovirus, or herpes simplex virus, syphilis, diabetes), infections, toxicity (pharmaceutical drugs, alcohol, other drugs), asphyxia, trauma, low birth weight, prematurity, jaundice, and ...
For example, someone who grew up deaf and experienced vision loss later in life is likely to use a sign language (in a visually modified or tactile form). Others who grew up blind and later became deaf are more likely to use a tactile mode of spoken/written language. Methods of communication include:
A child of deaf adult, often known by the acronym CODA, is a person who was raised by one or more deaf parents or legal guardians.Ninety percent of children born to deaf adults are not deaf, [1] resulting in a significant and widespread community of CODAs around the world, although whether the child is hearing, deaf, or hard of hearing has no effect on the definition.
It is widely recognized that communication is at the heart of cognitive, social, emotional, and behavioral development in children. Baby sign may assist in improving these significant developmental functions. [19] Baby signs create mutual attention between the parent and child leading to further elaboration of what the infant is communicating. [20]