Deaf children or children born to deaf parents babble with their hands (manual babbling) instead of vocalized babbling. – WTF Fun Facts
Source: https://en.wikipedia.org/wiki/Manual_babbling
Deaf children or children born to deaf parents babble with their hands (manual babbling) instead of vocalized babbling. – WTF Fun Facts
Source: https://en.wikipedia.org/wiki/Manual_babbling