Show:
The Box
(which wall)
Temporal Bone
HRTF
Anatomy
Miscellaneous
100

Jugular Vein

Floor

100

Posterior segment, Landmark for BC, Contains air cells


Mastoid 

100
What does HRTF stand for

Head Related Transfer Function

100

Number and shape of IHC

3500 - pear/flask shape

100

Impedance Matching is overcome by (3)

Area Ratio, Lever Principle, Buckling Effect 

200

Eustachian tube, tensor tympani muscle

Anterior Wall 

200

Most medial, One of the densest bones in the body, Houses the ME, cochlea, and vestibular system 

Petrous 

200

Definition for HRTF

Gain modulation for incoming frequencies (Relationship between gain and frequency)

200

Number and shape of OHC

12,000 - tube/cylinder 

200
Impedance Matching 

Input does not match the output

300

Made up of the tympanic membrane and the lateral wall of the epitympanic recess

Lateral Wall

300
Inferior/Lateral aspect of the cranium

Temporal Bone

300

Function of HRTF

Aids in hearing and elevation location 

300
Stereocilia is embedded IN the tectorial membrane

OHC

300
Underlying mechanism of the Cochlear Amplifier (2)

Prestin & Stereocilia Kick

400

Aditus to the mastoid antrum, chorda tympani nerve, pyramidal eminence 



Posterior Wall

400
Where is the cochlea located?

Petrous Part 

400

Provides the most gain (2)

Ear Canal and Concha
400

One to many

OHC
400

Cochlear Amplifier

Process where the OHC enhances the IHC signal

500

Promontory, prominence of the HSCC, prominence of facial canal, oval window, round window, tympanic plexus

Medial Wall

500

Parts of the Temporal Bone (5)

Mastoid, Petrous, Squamous, Tympanic, Styloid Process

500

How much gain (respectively) does the ear canal provide?

~10 dB at 2 kHz

500

Many to one

IHC
500

Characteristic Frequency 

Frequency that requires the lowest level of stimulation for that specific fiber to fire