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NSCI 1051 (6)

Additional Terms Notes

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Temple University
Neuroscience - CLA
NSCI 1051

Added Terms Adaptation Plasticity Environmental sound agnosia Brainstem evoke response- shows if sound waves are phase locked on each cycle or not (see ppt) (know the structure generating each wave) • Wave 1- distal auditory vestibular nerve • Wave 2 – proximal auditory vestibular nerve • Wave 3 – auditory pons • Wave 4 - superior olivary complex • Wave 5 – inferior colliculus Lesions of auditory brainstem: • Cochlear Nucleus, superior olivary complex, inferior colliculus • Frequency and loudness not affected by lesions • Lesion anywhere from superior olivary complex can affect sound localization • Lesion above inferior colliculus can affect speech perception/complex sounds • Not likely to survive damage of auditory cortex because regions close to it affect breathing and heart rate • MS can affect brainstem: deficit in perceiving frequency changes, gap in noise, and sound localization Lesions of auditory cortex Planum temporale- non primary auditory cortex; activated when listening to varied frequencies and is involved in the acoustics of speech Secondary Importance Reissner’s membrane- separates the scala vestibuli from the scala media (top and middle) Bony labyrinth: interconnected chambers containing hair cells, detects gravity, tilts and rotations of the head – transmits this
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