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Presentation/PPT
27/08/2022
ASSIGNMENT
Upon viewing the video on the Anatomy and Physiology of Hearing (the link can be found in Lessons – Week Two), describe the structure of the ear, focusing on the role that each component plays in transmitting the vibrations that enter the outer ear to the auditory receptors in the inner ear. Then, discuss the basic difference between determining the location of a sound source in the brain and determining the location of the visual object in the brain. Lastly, discuss the somewhat surprising outcome of research on hearing loss in urban versus rural environments, and the physiological explanation behind it. Support your belief and use specific examples. MINIMUM 300 WORDS
This video shows how sounds are produced and how you hear them:
What is Sound?
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. The area above the upper range of the audibility curve is the threshold of feeling, which is an area where the amplitudes are so high that we can feel them, and they would likely cause us pain, but we wouldn’t necessarily hear them (Goldstein & Brockmole, 2017). How many of you have ever heard of a dog whistle? The amplitude of a dog whistle is so high that we, as humans, cannot hear it but dogs can. Dogs can hear frequencies higher in the human audibility curve. As you get older, the range of frequencies you can hear shrinks. You can test your hearing at:
Hearing Test
.(transcript not yet available)
THE OUTER EARNow that we have seen sound travel from the distal stimulus to the ear, it is time to see happens once it reaches the ear. We took an abbreviated journey through the ear in Lesson 1 and now we will look at this journey in more detail. The journey begins with the outer ear. The structure of the outer ear that we all see is called the
“A graph representing sound, with time on the x-axis and air pressure on the y-axis” by
http://oceanexplorer.noaa.gov/explorations/sound01/background/acoustics/media/sinewave_261.jpg
“A graph showing the hearing loss of workers in a noisy weaving factory” by
https://commons.wikimedia.org/w/index.php?search=threshold of hearing&title=Special:Search&profile=default&fulltext=1&searchToken=975xk3qgfyy96u9ixxtnhepzs#/media/File:Permanent_threshold_shift_(hearing_loss)_after_no
The writer is very fast, professional and responded to the review request fast also. Thank you.
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