(deafness caused by damage to outer or middle ear; may be due to aging, noise strain, injury, infection, head trauma) Relatively cheap - Provides hearing to Advantages profoundly deaf people Easy to install (no surgery required) Will not restore normal Cost surgery is expensive + Limitations – hearing there are ongoing costs Don’t only amplify speech Requires an operation to be – amplifies all sounds in the installed environment (background Potential post-operative side noise) effects Need to adjust to sound level E.g. infection, droopy face, numb May cause pain tongue Need to learn to interpret sounds Do not assist hearing in (quality limited/different) people with damage to inner ear or auditory nerve Success of implant system limited by degree of damage to auditory nerve +/or auditory centre of brain (highly damaged nerve will be limited in its ability to respond to stimulation)
(deafness caused by damage to outer or middle ear; may be due to aging, noise strain, injury, infection, head trauma) Advantages Relatively cheap Easy to install (no surgery required) - Provides hearing to profoundly deaf people Limitations Will not restore normal hearing Don’t only amplify speech – amplifies all sounds in the environment (background noise) Need to adjust to sound level May cause pain Do not assist hearing in people with damage to inner ear or auditory nerve Cost – surgery is expensive + there are ongoing costs Requires an operation to be installed Potential post-operative side effects E.g. infection, droopy face, numb tongue Need to learn to interpret sounds (quality limited/different) Success of implant system limited by degree of damage to auditory nerve +/or auditory centre of brain (highly damaged nerve will be limited in its ability to respond to stimulation)
communication_student_notes.docx