Term
| How much amplification is in the outer ear? |
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Definition
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Term
| What is the function of the outer ear? |
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Definition
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Term
| Tympanic Membrane has what kind of membranes? |
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Definition
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Term
| What does tmypanic membrance separate? |
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Definition
| Seperates outer and middle ear |
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Term
| Where does tympanic membrane vibrates to? |
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Definition
| Vibrates to external air waves |
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Term
| The middle ear is filled with what? |
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Definition
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Term
| How much does the middle ear amplifies sound? |
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Definition
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Term
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Definition
| carry waves from tympanic membrane to oval window |
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Term
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Definition
Malleus-incus-stapes
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Hammer anvil stirrup |
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Term
| What does the Eustachian tube drain? |
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Definition
| Drains middle ear of fluid |
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Term
| What equalizes air pressure between the middle ear and sinuses? |
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Definition
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Term
| Is the Eustachian Tube normally closed or open? |
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Definition
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Term
| If the Eustachian Tube is unopenable then where is the tube located at? |
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Definition
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Term
| In the Oval window the membrane connects what? |
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Definition
| connects the middle ear to the inner ear |
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Term
| The inner ear is filled with what? |
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Definition
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Term
| What is the function of the inner ear? |
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Definition
| converts sound wavew to electrical signals |
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Term
| what is the name of the spiral shaped tube of the inner ear? |
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Definition
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Term
| What is the name of the part of the cochlea that transduces sound to Action Potentials? |
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Definition
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Term
| In the Cochlea were are waves carried to and then where are they care back around to? |
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Definition
| Waves are carried to apex and back around to round window. |
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Term
| Round window absorbs what? |
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Definition
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Term
| Where is there high frequency in the basilar membrane? |
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Definition
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Term
| where are there low frequency at in basilar membrane? |
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Definition
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Term
| Basilar membrane vibrate to what and what does this cause? |
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Definition
| Vibrates to sound waves-cause the shape change over length |
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Term
| where does hair cells rest? |
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Definition
| Hair cells rest on basilar membrane |
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Term
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Definition
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Term
| how does the tectorial membrane and the basilar membrane vary? |
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Definition
| Tectorial membrane is much stiffer than the basilar membrane which means less movement |
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Term
| What happens when the Basilar membrane vibrates? |
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Definition
| imbedded hairs are pulled on |
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Term
| What do hair cells produce? |
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Definition
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Term
| What does overtones allow? |
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Definition
| Allows source distinction |
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Term
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Definition
| Fundamental Frequency plus overtone(s) |
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Term
| What is the maximum range of frequency of sound? |
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Definition
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Term
| As far as hearing goes how do you lose high frequency hearing? |
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Definition
| lose high frequency hearing with age |
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Term
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Definition
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Term
| the pure-er the not is the what it will be? |
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Definition
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Term
| Timbre never lose what frequency and tends to lose what type of frequency> |
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Definition
| never lose low frequency, tends to lose high frequency |
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Term
| the higher the sound wave the more what? |
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Definition
| the more hair cell movement and the pore APs to brain |
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Term
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Definition
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Term
| what is the most common type of ear defect? |
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Definition
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Term
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Definition
| Conduction is when sound waves dont rach hair cells |
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Term
| What does a hearing aid do? |
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Definition
| help amplify sound to vibrate oval window directly |
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Term
| how does conductive defect stop sound waves? |
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Definition
| wax,eardrum damaged, or middle ear bone damaged |
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Term
| Damage to hair cells or auditory nerve is called what? |
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Definition
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Term
| how do you treat nerve deafness? |
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Definition
| need cochlear implant to treat |
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Term
| what is Frequency deafness? |
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Definition
| Loud, repetitive sounds at one frequency pull out hair cells in one place-selective hearing loss |
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Term
| vestibular apparatuus deals with what? |
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Definition
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Term
| vestibular apparatus detects what? |
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Definition
| detects changes in motion |
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Term
| For rotational acceleration how many semicircular canals make up this? |
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Definition
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Term
| For rotational acceleration these semicircular canals are fluid filled, what is the purpose of that? |
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Definition
| fluid logs motion, which mean fluid pulls on hair cells |
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Term
| Withinn the semicircular canals of rotational acceleration, hair cells are imbedded where and generates what? |
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Definition
| imbedded in cupula -inertia generates GP->->AP |
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Term
| How many types of acceleration is there and what are the names of them? |
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Definition
| Linear acceleration and rotational acceleration |
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Term
| Within linear acceleration where are hair cells imbedded? |
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Definition
| imbedded in gel with otoliths |
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Term
| What detects linear acceleration? |
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Definition
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Term
| Is Utricle motion horizontal or vertical? |
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Definition
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Term
| Is Saccule motion horizontal or vertical? |
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Definition
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Term
| What happens when you get a mismatch of signals? |
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Definition
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