Week 11 Thursday (4/4) Flashcards
The two part of the lateral lemniscus is the
track (lemniscus) and upper pons
The 2 major nuclei of the LL
ventral nuclei and dorsal nuclei
the ventral nuclei of LL is sensitive to _____ mostly from _____
contralateral stimulation
VCN
the dorsal nuclei of LL is sensitive to ______ stimulation from _____ and ____
ipsilateral
SOC and CN
is the LL tonotopically organized?
no
the LL has precise _____ _____ and rapid _____ ____
phase locking
onset responses
in the LL are many cells sensitive to ITD?
yes
The IC is nuclei located in the ____ ____
mid brain
What are the 2 parts of the IC
core/ central nucleus
pericentral nucleus
The core nucleus of the IC contains
only auditory fibers
the pericentral nucleus of the IC contains
somatosenesory and auditory fibers
the IC cells that are in layers on top of one another are called
lamina
The IC core has ____ type of input
one
The IC belt has _____ or ______ association areas
bimodel or multimodel
in the IC, the farther out the area…. the _____ types of stimuli are represented
more different types
the IC has a ______ degree of tonotopic organization
high degree
the IC has a ____ amount of frequency resolution
high
the IC has ____ tuning curves
narrow
In the IC some have ____ CF, so they respond to ____ _____ _____
two
two different frequencies
the IC having 2 CFs has implications for ____ ____
speech perception
there are cells in the IC that only fire when a sounds starts with _____ and ends at _____
1800 Hz
2200 Hz
the IC has _____ phase locking
a lot of
cells in the IC can be ____, _____, and _____ sensitive
time, spacial, binuarally
the IC responds to ____ and _____ rather than noise
tones and speech
the IC has a ____ degree of temporal/timing resolution
high
the IC can hear silence gaps of ____
2-3ms
T/F
The IC does not have implications of a persons VOT
false
T/F
In the IC, there are only cells that respond to ITD
false,
there are cells that respond to ITD and IIT
The IC has cells that respond to _____ stimulation and _____ stimulation
ipsilateral
binuaral
The IC has cells that respond to _____ intensity changes and others have a _____ dynamic range
small
50 dB
Input for the IC is
SOC and LL
At the IC information from the ____ can be compared to information from the ____
SOC, LL
Most output from the IC is to the ____ ___ ____ ___
ipsilateral medial geniculate body
a few fibers from the IC cross to the ___ ___ ___ ___
contralateral medial geniculate body
