Exam 10: Auditory Physiology

Match each term to the correct descriptor. Terms may be used more than once or not at all. -Structure that, in combination with the incus, provides the lever benefit of the middle ear system

What are the five basic physiological organizing principles that are involved in the transmission of an acoustic stimulus to the brain?

The area benefit of the middle ear system refers to the relationship between the area of the ____________________ and the oval window.

The lever benefit of the middle ear system provides an increase of about ____________________ dB.

____________________ refers to the quality of a neuron's response to the period of the stimulus.

The basilar membrane (increases/decreases) ____________________ in thickness from base to apex.

Match each term to the correct descriptor. Terms may be used more than once or not at all. -Provides localization cues for high-frequency sounds

To increase pressure, you must

Match each term to the correct descriptor. Terms may be used more than once or not at all. -Provides a gain of 4-6 dB

The endocochlear potential is approximately ____________________ mV.

Match each term to the correct descriptor. Terms may be used more than once or not at all. -The first site of binaural interaction

The first brainstem nucleus of the auditory pathway is the ____________________.

Match each term to the correct descriptor. Terms may be used more than once or not at all. -Cochlear potential that arises directly from stimulation of a large number of hair cells simultaneously, eliciting nearly simultaneous individual action potentials in the VIII nerve

Match each term to the correct descriptor. Terms may be used more than once or not at all. -The voltage difference between the scala vestibuli and the scala tympani

Match each term to the correct descriptor. Terms may be used more than once or not at all. -The difference, in microvolts, between the endolymph and the hair cell

As intensity of a signal increases, the rate of firing of auditory nerve neurons (increases/decreases) ____________________.

Match each term to the correct descriptor. Terms may be used more than once or not at all. -Does the primary localization processing of low-frequency sound

The combined area and lever advantages provide a gain of how many dB?

Match each term to the correct descriptor. Terms may be used more than once or not at all. -A function of the middle ear

Match each term to the correct descriptor. Terms may be used more than once or not at all. -Voltage potential differences of the cochlea that can be measured from the cochlea at rest