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1 L INGUISTICS 1, W EB Q UIZ #7 1. BRAIN FUNCTION LATERALIZATION 2.DIRECT OBSERVATION OF THE BRAIN 3. EXPERIMENTAL EVIDENCE FOR LATERALIZATION 4. LANGUAGE PROCESSING RESEARCH: LDT 5. LANGUAGE PROCESSING RESEARCH: ERP 6. SPLIT BRAIN STUDIES 7. TYPES OF APHASIA 8. LANGUAGE IN THE BRAIN 9. PARALLELS IN DESIGN OF ASL AND SPEECH 10. DUALITY OF PATTERNING IN ASL 1. BRAIN FUNCTION AND LATERALIZATION In the introductory lecture on language and the brain, I cited the following passage from the Bible (Psalm 137, verses 5-6): 5 If I forget you, Jerusalem, may my right hand forget its skill. 6 May my tongue cling to the roof of my mouth if I do not remember you, if I do not consider Jerusalem my highest joy. (In class, I quoted the King James version. The citation here is from the New International Version (NIV), in which the English is a little easier for us to understand today.) WHAT IS BEST STATEMENT OF THE SIGNIFICANCE OF THIS PASSAGE FOR THE STUDY OF LANGUAGE AND THE BRAIN? a. Even at the time the Psalms were written, lateralization of brain function was understood. b. From early times, the consistent association of incapacity in right side motor functions with incapacity in language was well-recognized. c. Injury to the right side of the body was known to bring about language incapacity. d. It was believed that as punishment for sin, God would take away the two most important abilities for functioning in human society: language and the ability to use the right hand (since most people are right-handed). e. The psalmist believes that without the ability to speak, he will not be able to write (his right hand will "forget its skill"). 2. DIRECT OBSERVATION OF THE BRAIN In the video on the brain and language, there was a segment on using PET ( P ositron E mission T omography) scans to directly observe the active areas of the brain as it performs certain tasks (see APS reader, page 106). Here are pictures of three scans from the video.
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Linguistics 1, Online Quiz #7 2 Scan 1 Scan 2 Scan 3 WHICH OF THE FOLLOWING TASKS WOULD BE MOST LIKELY TO RESULT IN THE ACTIVATION SEEN IN SCAN 1 ? a. Lying quietly with no visual or auditory stimuli. b. Just looking at words flashed on the screen. c. Looking at a blank screen and hearing words. d. Just repeating words flashed on the screen. e. Saying a word associated with a word flashed on the screen. 3. EXPERIMENTAL EVIDENCE FOR LATERALIZATION This is a small example of a Dichotic Listening Experiment. In such an experiment, the subject hears different words played into each ear. Upon hearing the words, the subject the subject says or writes the ONE word that s/he heard even though there were two words. To try the experiment, you will have to go to the
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This note was uploaded on 04/02/2011 for the course LING 1 taught by Professor Schuh during the Winter '08 term at UCLA.

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