Prelingual hearing loss | definition of prelingual hearing loss by Medical dictionary
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.
References in periodicals archive
In Spain, the prevalence of OTOF mutations was reported as 5% in all cases of non-syndromic autosomal recessive prelingual hearing loss
Resolving the genetic heterogeneity of prelingual hearing loss
within one family: Performance comparison and application of two targeted next generation sequencing approaches.
So, speech impairment and reduced speech intelligibility are expected consequences of prelingual hearing loss
if early and substantive intervention does not occur (Hudgins & Numbers, 1942; Smith, 1975; Yoshinaga-Itano & Sedey, 1998).