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Hearing and Speech Processing > Lecture 3: Outer, Middle and Inner Ear > Flashcards

Lecture 3: Outer, Middle and Inner Ear Flashcards

1
Q

What are the functions of the outer ear?

A

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2
Q

What helps the outer ear achieve its function?

A

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3
Q

How does the shape help accommodate function?

A

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4
Q

What experiment was done on the outer ear?

A

sads

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5
Q

What is the main function of the middle ear?

A

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6
Q

How does the middle ear carry out its function?

A

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7
Q

How did the middle ear develop in organisms? Why?

A

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8
Q

What are hair cells?

A

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9
Q

How are hair cells organised?

A

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10
Q

What are Tip Links?

A

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11
Q
  1. What is the organ of Corti? What are the cellular structure?
A

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12
Q

What is the structure of the cochlear? What is it filled with?

A

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13
Q

What are the two windows? What are their properties?

A

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14
Q

What is special about the basilar membrane? What properties?

A

fasd

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15
Q

How does the inner ear work? What happens?

A

sads

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16
Q

Where are the different frequencies along the membrane? Why? What properties?

A

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17
Q

What is needed to make the signals? What does this? How?

A

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18
Q

Why is it that the travelling wave only peaks at a certain point in the basilar membrane?

A

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19
Q

Why must the ear be active? How did this problem develop through time?

A

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20
Q

Why is the fact that the inner ear is filled with liquid a problem?

A

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21
Q

What is resonance theory of hearing?

A

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22
Q

What was the problem with resonance theory that was found? What was the “solution” to this to solve the problem?

A

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23
Q

What is Regenerative amplification?

A

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24
Q

What was the experiment done that gave evidence that the ear was active? What does the ear produce?

A

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25
Q

Why does the ear produce sounds?

A

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26
Q

How is the travelling wave different in an alive and dead person?

A

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27
Q

What are the four characteristics of the ear’s active process?

A

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28
Q

How are the frequency vs vibration amplitude graphs different in dead and alive?

A

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29
Q

What happens to these graphs/ lines when the sound is amplified in the dead and alive?

A

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30
Q

What happens to alive curve when play sounds of different amplitudes?

A

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31
Q

What is the graph showing how sounds are coming from the ear? What is the name for this?

A

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32
Q

What is the outer hair cell electromotility? What changes are seen in the out hair cell? Why?

A

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Hearing and Speech Processing (18 decks)

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