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Physiology of the CAP
Study for Final
11
Audiology
Undergraduate 3
11/23/2009

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Term
Theory regarding physiology of the Brainstem Nuclei.
Definition
all of the different cell types and physiological behaviors are designed to process and manipulate the incoming signal, and deliver it, with as much clarity as possible to the first juncture in the cortical processing of this complex signal on it's way to interpretation.
Term
Describe the physiology of the Superior Olivary Complex.
Definition
the SOC is the first station in the auditory brainstem in which both ears are represented. This sector is responsible for a number of binaural processes, localization being the most well known. Also a major aspect of the acoustic reflex.
Term
The cortex is made up of how many layers?
Definition
6
Term
Which layer of the cortex contains most of the input from lower centers?
Definition
Layer 4
Term
Which area is the recipient of the physiological processing of the lower auditory brainstem nuclei?
Definition
Primary Auditory Cortex
Term
The nerve cells of the medial geniculate body project to the _______ ________ ______ as the first cortical location to receive ______ ________ ______.
Definition
Primary Auditory Cortex, auditory brainstem input
Term
Each layer of the cortex is made up of...
Definition
different cell types, some excitatory and some inhibitory.
Term
Different nuclei of the MGB project to different layers of the _______.
Definition
cortex
Term
Each layer of the cortex ______ with the other layer and some cells of the cortex project back to the ______.
Definition
communicates, MGB
Term
Describe the physiology of the cortex.
Definition
Each cortical field is tonotopically organized. Also cortical neurons have response thresholds, varous degrees of tuning, differing response tpes such as onset, and are, in some areas, non-monotonic.
Term
1) Practice makes perfect
2) Response to injury
Definition
Cortical Plasticity
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