speech science csd sec2 - Speech Science Questions What are...

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Speech Science
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Questions What are the structures and functions of the nervous system that affect speech? Where are speech functions localized in the brain? How does the respiratory system affect speech? How do we phonate? How are speech sounds produced?
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Cranial Nerves
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PNS Cranial nerves V Trigeminal - VIII Auditory (Vestibulocochlear) X Vagus XII Hypoglossal
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Neuron Main cell in brain All tumors come from glial cells not neurons Glial cells- get rid of dead cells in body and are the blood/brain barrier ( important because blood poisons brain cells 1/5 ppl survive brain hemorrhage more than 4-5 days Neurons are not identical External neurons can grow about an inch / month Internal neurons cannot grow back, they just coil up (spine nerves)
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Hemispheric Specialization Both are almost the same in size. A Tumor removed in the left hemisphere a person can recover but are never the same Can function with most of either side of brain gone Left Hemisphere A litte bigger than right hemisphere. Responsible for language and speech Right Hemisphere Takes in sensory info and pays attention to it Isnt as well localized; very general Vision problems cant see things to the left cant see things but they can remember Attention problem Relative
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Process of emotion- most communication is emotional Emotional sorting, damaged ppl cannot estab. Emotions on other ppl Very good at recognizing things Damaged ppl cant recognize ppl, places, etc. Gives judgment for convos.
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This note was uploaded on 03/19/2008 for the course CSD 306k taught by Professor Marquardt during the Spring '08 term at University of Texas at Austin.

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speech science csd sec2 - Speech Science Questions What are...

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