prelingual deafness

(redirected from Prelingual hearing impairment)

pre·lin·gual deaf·ness

hearing impairment occurring before development of speech and language skills.
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 deafness

Hearing impairment that is present in infancy and childhood, before language skills are acquired.
See also: deafness
References in periodicals archive ?
In autosomal recessive, the first locus DFNB1 (Cx26 gene) was identified in two Tunisian consanguineous families with bilateral profound prelingual hearing impairment (10).