Auditory system B6 Flashcards
Moaural (single-ear) localization depends on such cues, and accuracy in localizing sound is impaired by damage to the _____.
Pinna
Sounds are transmitted from the tympanic membrane to the inner ear by 3 bony ossicles, what are they?
Malleus
Incus
Stapes
Arm of malleus is connected to ___________membrane
Tympanic
Organ of corti is found in the _________.
Scala media
__________ consists of receptor hair cells, 3 rows of outside air cells and one row of inside hair cells.
Organ of corti
SOUnd wave travels from ____ to ____ of basilar membrane.
Apex to base
High pitch tones are heard closer to the ______.
base
For lower frequency sounds it is more _____.
distal
What two nerves make up the vestibulocochlear nerve?
Vestibular nerve and Cochlear nerve
The vestibulocochlear nerve traverses in the subarachnoid space to enter the ________________ together with the facial nerve and travels in the auditory canal.
Internal auditory meatus
The posterior cochlear nucleus and the anterior cochlear nucleus are located partially on the surface of the brainstem at the _____________ junction.
pontomedullary
All fibers in the cochlear nerve (1st order neurons) synapse in the ________ nuclei.
cochlear
As cochlear info ascends it is distributed through multiple parallel pathways that ultimately converge in the _______________.
Inferior colliculus
True/False: No auditory symptoms are seen with stroke.
True
The auditory cortex is located in the ____________ gyri of the temporal love.
transverse
