Wk 3 Audition Flashcards
Auditory hair cells are found in the…
basilar membrane
The first stage of central auditory processing in the brain occurs in the
cochlear nucleus in the rostral medulla.
The order of bones that transmit sound information from the tympanic membrane to the cochlea is
malleus, incus, stapes.
Name the first area, part of the midbrain, where auditory information interacts with the motor system to initiate auditory-guided behaviour
Inferior colliculus
Inferior colliculus is associated with ______ whereas the superior colliculus is associated with ______ (senses)
audition, vision
The superior _____ complex is the first place where information from both ears interacts
olivary
From the thalamus, information is sent to the ____ ____ cortex
primary auditory cortex
Order the following into the correct auditory pathway • inferior colliculus (midbrain) • primary auditory cortex • auditory nerve • cochlear nuclei (medulla) • medial geniculate nucleus (thalamus) • superior olive (pons)
• auditory nerve • cochlear nuclei (medulla) • superior olive (pons) • inferior colliculus (midbrain) • medial geniculate nucleus (thalamus) • primary auditory cortex
Heschel’s gyrus =
primary audItory cortex
What is the difference between EEG and MEG? What are they each measuring?
EEG is measuring the potential differences on the scalp whereas MEG is measuring the extracranial magnetic fields
Electrocorticography (ECoG) – “invasive”
technique (invasive version of EEG)
(ELECTRODES PLACED DIRECTLY ON CORTICAL SURFACE) is used for….
presurgical evaluation, to zero in on locations of abnormal tissue, and to ensure that areas serving critically important functions (e.g. language) are not
cut out during surgery
What is the advantage MEG has over EEG?
Better spatial resolution
Of the ventral and dorsal streams, which makes contact with the meaning of speech sounds, and which is involved with articulation?
Ventral - meaning of speech sounds
Dorsal - articulatory system
