Conclusion: Cochlear implant and speech training can compensate prelingual deaf children's hearing and increase their speech expression ability.
结论：人工耳蜗植入术加术后言语训练，能达到改善听力，提高语言能力的目的。
2
Conclusion the mutations in GJB2 are the major cause of prelingual deafness; two causative mutations can be found in (28.6%) prelingual recessive and in (18.9%) prelingual sporadic NSHL patients.