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Language

Language. Humankind’s greatest achievement. Language Defined. Any set of symbols Ex: sounds, pictures, music Arranged according to rules Ex: grammar, sentence structure Convey an infinite number of meanings From one user to another. Language takes two.

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Language

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  1. Language Humankind’s greatest achievement

  2. Language Defined • Any set of symbols • Ex: sounds, pictures, music • Arranged according to rules • Ex: grammar, sentence structure • Convey an infinite number of meanings • From one user to another

  3. Language takes two • One person to produce the language • by speaking or writing. • Another to comprehend the language • by hearing or reading

  4. “Language is something that goes in the ear and comes out of the mouth.” Norman Geschwind

  5. Language Skills • Two basic, inherited • Speaking and hearing • Two developed and taught • Writing and reading

  6. Language skills • Two are primarily motor (movement) • Speaking and writing • Speech production • Two are primarily sensory • Hearing and reading • Audition and vision

  7. Language is a whole brain task KW 9-19

  8. Auditory Cortex KW 9-12

  9. Speech comprehension KW 9-17

  10. Penfield’s Surgery KW 9-18

  11. PET Scanner KW 9-20

  12. PET Scans KW 9-21

  13. Cortex Activated in Sounds KW 9-23

  14. Wernicke’s area • Next to auditory cortex • Attends to the sound and determines if the sound is a phoneme • Connects phonemes to produce words • Meaning of words

  15. Brain Dictionary

  16. Asymmetry in Language

  17. Broca

  18. Location of Broca’s Area

  19. Geschwind’s Model

  20. Geschwind’s Model in Action

  21. Producing speech KW 9-17

  22. Effects of Brain Damage on Language Broca’s Aphasia Difficulty speaking and writing Prepositions, conjunction and other grammatical connectives are especially difficult Fail to understand speech when its meaning is dependent on connectives, sentence structure, or word order Wernicke’s Aphasia Trouble understanding speech and recalling names of objects

  23. Wernicke’s Wernicke’s Aphasia

  24. Music and the cortex • Hearing and appreciating music is right hemisphere task • Comprehend music with right hemisphere • Production of music requires the left hemisphere as well • Trained musicians: music is language

  25. Processing Music KW 9-24

  26. Ravel’s Aphasia • Composer of Bolero • Left hemi stroke • Loss of language • Maintained some music abilities • Could comprehend music • Could not produce it

  27. The music’s over. End of slide show

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