lecture on speech production
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Speech production is a _______ task. | Speech production is a motor task.
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| 5 levels of the nervous system involved in speech production are: Cerebral cortex subcortical nuclei brainstem spinal cord and ___________ | cerebellum
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| 3 separate motor subsystems of speech production are | pyramidal
extrapyramidal
cerebellar
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| Pyramidal system | controls voluntary movement of muscles, contains 3 tracts
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| 3 tracts of the pyramidal system | cortico spinal
cortico bulbar
cortic pontine
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| Corticospinal system controls | skilled movements in limbs
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| Corticobulbar | cranial nerves directly innervate muscles of speech
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| Corticopontine | goes to the pons, cerebellum, then cortex via thalmus
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| All three pyramidal system tracts contain | upper motor neurons from the cortex
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| EXTRApyramidal system connects | subcortical motor nuclei, basal ganglia
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| Motor disturbances of the extrapyramidal system are involuntary movement disorders or | dyskinesias
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| Akinesia | is no movement
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| bradykinesia is | slow movement
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Created by:
JSchwadron
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