They may often never be able to speak because they have never heard normal sounds and speech. The process is usually easier for people who have become deaf later during childhood or life after acquiring some speech skills. This is because they are familiar with sounds and speech.

Can deaf kids laugh?

Recognizable laughter has furthermore been reported in case studies of individual children that were either deaf or both deaf and blind (Black, 1984; Eibl-Eibesfeldt, 1989), as well in seven infants with profound hearing loss, whose vocal production was compared to that of normally hearing individuals in the first 12