Answer:
pre-lingual, post-lingual
Explanation:
Pre-lingual hearing loss:-
It occurs before the time when the child develops language and speech. It is associated with a profound or severe hearing loss. This usually appears in newborn babies or the infants of the age upto to three.
Post-lingual hearing loss:-
It is the deafness that develops after acquisition of langaunge as well as the speech. Post-lingual hearing loss are more common than the prelingual hearing loss.
Hence, the answers are : - pre-lingual, post-lingual