prelingual hearing loss

Hearing loss that precedes the onset of speech or learning spoken language; it is severe, stable, and less common than post-lingual hearing loss.
Aetiology Prelingual hearing loss is largely inherited: 50% are monogenic, 75% are autosomal recessive; 20%, autosomal dominant; 5%, X-linked recessive; the rest are caused by perinatal factors, infections in infancy or trauma

prelingual hearing loss

Prelingual deafness Audiology Hearing loss that precedes the onset of speech or learning spoken language; it is severe, stable, and less common than postlingual hearing loss; 50% of PHL is monogenic, 75% of PHL is AR; 20%, AD; 5%, X-R; the rest are caused by perinatal factors, infections in infancy, or trauma. See Hearing loss. Cf Postlingual hearing loss.