Review_Terms_for_Test_2 - Review Terms Test #2 Speech...

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Review Terms Test #2 Speech Science 1. Adduction- when the vocal folds come together. 2. Afferent- axonal fibers that conduct impulses toward the central nervous system. 3. Basal Ganglia- a group of subcortical structures that include the putamen, globus pallidus, and caudate that contribute to the control of motor behavior. 4. Bernoulli’s effect- as the velocity of airflow increases, pressure decreases with total energy remaining constant. 5. Broca’s Area- Brodmann’s area 44 located on the third frontal gyrus anterior to the precentral face area. 6. Cerebral hemispheres- tow major parts of the cerebrum joined by the corpus callosum. 7. Coarticulation- overlapping of articulatory and acoustic patterns of speech production due to the anticipation or retention of a speech feature. 8. Corpus Callosum- fiber pathways joining the cerebral hemispheres. 9. Efferent- conduction away from a central structure. 10. Extrapyramidal Tract- indirect motor pathway made up of networks of neurons. 11. Formant- a resonance of the vocal tract. 12. Fundamental frequency- the lowest frequency (first harmonic) of a complex periodic waveform. 13. Glial cells- support cells of the nervous system. 14. Glottis- opening between the vocal folds. 15. Gyri- folds of the cerebral cortex. 16. Harmonic- an integer multiple of the fundamental frequency. 17. Meninges- tissue coverings overlying the central nervous system. 18. Myelin- white fatty covering of an axon. 19. Neurotransmitters- chemical messengers of the nervous system. 20. Prosody- the intonation and rhythm of a spoken language. 21. Pyramidal tract- major motor pathway from cerebral cortex to brainstem and spinal cord. 22. Resting expiratory level- mechanically neutral position of the respiratory system. 23. Rolandic fissure- fissure that divides posterior frontal lobe from anterior parietal lobe. 24. Source-filter theory- an acoustic theory of speech production that states a sound energy source is modified by the filter characteristics of the vocal tract. 25. Sulci- furrows of the cerebral cortex. 26. Sylvian fissure- horizontal fissure superior to the temporal lobe. 27. Tidal volume- quantity of air exchanged during quiet breathing. 28. Thalamus- structure located at either side of the third ventricle; responsible for sensorimotor integration and sensory projection to the cerebral cortex. 29. Vital capacity- controllable air in the lungs; total volume of air that can be expired after a maximum inspiration. 30. Werenicke’s area- posterior part of first temporal gyrus important for auditory processing and comprehension.
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Articulation 1. Articulation- the physical ability to produce speech sounds. A speaker needs to be able to manipulate the articulators including the tongue, lips, and velum to produce all of the required place and manner distinctions. 2. Articulation disorder- difficulty producing speech sounds and speech
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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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Review_Terms_for_Test_2 - Review Terms Test #2 Speech...

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