Deafness
From the Simple English Wikipedia, the free encyclopedia that anyone can change
Simple English Wiktionary has a dictionary definition (word meaning) for:
Deafness is when someone cannot hear or cannot hear well. There are many famous people who were deaf, such as Ludwig van Beethoven. Many deaf people learn sign language so that they can communicate.
[change] Categories of deafness
These categories may overlap.
- Unilateral -- loss of hearing in one ear only
- Pre-lingual – deafness at birth or deafness that started before language is learned
- Peri-lingual – deafness that started while learning a first language
- Post-lingual – deafness that started after a language has been learned
- Partial – limited hearing loss
- Progressive – hearing loss that becomes worse as time passes
- Profound – complete or near-complete hearing loss
- Tone deaf – not able to hear differences in relative pitch (in music)
- Tinnitus – hearing damage that causes high pitched ringing. This makes it so that the person cannot hear other sounds
