Presbycusis  is a condition affecting the hearing of many adults.  

 Presbycusis  is a condition affecting the hearing of many adults. There are a  variety of causes, including damage to structures of the middle and  inner ear. The result is loss of hearing—not complete deafness, but  difficulty in detecting certain sounds within the normal range of  hearing. Use each numbered item as a required subheading 
 
Explain how normal hearing occurs. Include in your discussion the following points:  

How  is sound transmitted from the environment outside the body to the inner  ear? What structures are involved, and how do they transmit sound?
What  happens in the inner ear (cochlea) when sound waves are converted to  neural signals? How is sound frequency (pitch) processed?

2. Next,  summarize the causes of presbycusis and explain how they will interfere  with the normal processing of sound as outlined above.  
Discuss one source of presbycusis involving a problem with the outer/middle ear.
Discuss one source of presbycusis involving a problem with the inner ear

3. Finally, describe what it might be like to have presbycusis. Include the following points:  
If you have normal hearing now, how would your ability to converse with others be affected?
What activities that you now enjoy would be limited by this condition?
How would such a condition affect your work life?

 
Include  the sub headings of: “Introduction”, “How Normal Hearing Occurs”,  “Causes of Presbycusis”, “Having Presbycusis”, and “Conclusions”.
Introductory paragraph ending in a clear thesis statement

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