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| The receptors for both Auditory + Vestibular are located in the temporal bone, in a convoluted chamber called the |
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| a bone called the s? vibrates in response to vibrations of the eardrum |
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| oval window opens into a large central area within inner ear called the |
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| The membranous labyrinth is filled with a special fluid called |
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| space BETWEEN membranous and bony labyrinths is filled with ?, which is very much like normal cerebral spinal fluid |
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| The transduction of sound into a neural signal occurs in the |
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| cranial nerve ? transmits sound from organ of corti |
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| The auditory ? cells sit within the organ of Corti |
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| in response to sound, the stapes ossicle hits the ? |
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| 3 compartments of cochlea, are called |
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| scalae vestibuli, tympani + scala media |
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| type of sensory receptors that hair cells in organ of corti are = |
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| the compartment that the organ of Corti is in = |
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| the 2 types of hair cells are ? and ? hair cells |
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| inner hair cells are embedded in a membrane called the |
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| hair cells arise from the |
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| base of cochlea vibrates to ? frequencies |
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| apex of cochlea vibrates to ? frequencies |
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| auditory nerve carries signal into brainstem +synapses in ? ? |
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| From the cochlear nucleus, auditory information is split into at least ? streams |
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| Ventral cochlea nucleus stream is concerned with ? of sound |
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| Dorsal cochlea nucleus stream is concerned with ? of sound |
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| ventral cochlear nucleus cells project to a collection of nuclei = |
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| superior olive then projects up to the |
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| the projections to inferior coliculus is via a fiber tract called the |
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| From inferior colliculus, both auditory streams of info proceed to sensory |
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| The auditory nucleus of thalamus is the |
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| medial geniculate nucleus (rem AMG) |
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| The medial geniculate projects to ? ? cortex |
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| the primary auditory cortex located on the banks of the ? lobes |
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| the auditory cortex is organised |
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| high frequencies picked up in base of cochlea are represented superiorly/iferiorly in ctx |
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| low frequencies picked up in apex of cochlea are represented inferiorly/superiorly in ctx |
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| hearing loss due to noise + damage to inner ear = |
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| There are two components to monitoring motion,? + ? acceleration |
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| The ? detect angular acceleration |
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| hair cells sit in small swelling at base of an endolymph-filled hoop = |
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| The ? and ? detect linear acceleration |
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| The utricle and saccule have a sheet of hair cells= |
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| the cilia are embedded in a ? mass |
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Definition
| the cilia are embedded in a gelatinous mass |
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| gel has a clump of small crystals embedded in it, called an |
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| when you move to one side, the otolith-gel mass drags on the ? ? |
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| saccule is oriented vertically+ detects motion in the ? plane (up and down, forward and back). |
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| The eye is controlled by ? pairs of muscles |
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| defect in the medial longitudinal fasciculus (MLF) between the pons and occulomotor nucleus will result in a defect in ? ? |
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