Audiology-Physiology of the Inner Ear

immediately, cochlea

The pressure vibrations from the ossicular chain are felt ________________ throughout the entire fluid-filled ________

membranous labyrinth

the whole _______________ ______________ vibrates with the pressure variations in the fluid

basilar membrane

Which structure of the membranous labyrinth is the most important in the hydromechanical transduction process?

up and down, traveling wave

The pressure variations in the fluid cause the basilar membrane to move ____ _______ ________ in a characteristic way that is called the ______________ __________

narrower, stiffer

The basilar membrane in the cochlea is ____________ and ____________ at the base

tonotopic arrangement

the systematic spatial organization of sound frequencies within the auditory system, where specific frequencies are processed in distinct, topologically ordered regions along the auditory pathway

base

higher frequencies are processed towards the ___________ of the cochlea

apex

lower frequencies are processed toward the _________ of the cochlea

small

a traveling wave is ___________ at the base

peak amplitude

a traveling wave reaches its ____________ _______________ at the place that responds best to the stimulating frequency

excitatory phase

Stereocilia of the IHCs bend toward the tallest row of stereocilia (depolarization)

inhibitory phase

Stereocilia bend away from the tallest row of stereocilia (hyperpolarization)