Auditory deck Flashcards
auditory chapter 8
the Auditory system has a _________
topographic organization
a topographic relationship exists between the location of a hair cell in the ______ and _______
cochlea
sound frequency
cochlea to apex =
____ to ____ frequencies
high to low
the differential frequency to which hair cells along the length of the cochlea is the basis of
tonotopic organization
the cochlear nuclei consists of
1.
2.
3.
- Anteroventral
- posteroventral
- dorsal
a key function if the ventral cochlear nucleus is _____________
horizontal localization of sound. (bilateral)
the ventral cochlear nucleus projects to
superior olivary complex –> projecting to lateral lemniscus –> to inferior colliculus
the dorsal cochlear nucleus is thought to play a role in _________
identifying sound source elevation + complex spectral characteristics of sounds
the dorsal cochlear nucleus projects directly to?
cotnralteral inferior colliculus via lateral lemniscus
the inferior colliculus is the site of convergence of all lower brain stem _______ nuclei
auditory
name the area:
for understanding speech
Wernicke’s area
name the area:
the production of speech
Broca’s area
_____ gyri are located within the lateral sulcus
HESCHL GYRI
what is the thalamic auditory relay nucleus of the auditory system?
medial geniculate nucleus (MGN)
MGN projects to the
primary auditory cortex