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Don't Panic: Kids who have hearing families can learn ASL

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Our study, "Deaf Children of Hearing Parents Have Age-Level Vocabulary Growth When Exposed to American Sign Language by 6 Months of Age,"Ā highlights the importance of early language exposure for deaf children. It answers a crucial question: can deaf children with hearing parents develop age-appropriate vocabulary skills when they are exposed to ASL early in life?


Children exposed to ASL before 6 months develop vocabulary at the same rate as children with deaf signing parents.

Key Findings

We studied 78 deaf children with hearing parents, comparing those exposed to ASL before 6 months with those exposed later. Children who began learning ASL before 6 months showed vocabulary growth comparable to those from deaf families.Ā They achieved age-expected receptive and expressive vocabulary sizes, proving that early ASL exposure provides a strong language foundation.


In contrast, children exposed to ASL after 6 months had smaller expressive vocabularies but made rapid gains, suggesting that early intervention still matters even if delayed.


ASL exposure seems to be a more reliable means of developing age-expected vocabularies than interventions focused on spoken English.

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What This Means for Families

Hearing parents donā€™t need to wait to start learning ASL. Exposing children to ASL before 6 months is key to building strong language skills, even if parents are still learning themselves. This research reinforces the need for early language access to ensure deaf childrenā€™s cognitive and social development stays on track.


Read the full paper.



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