BMB_4_7_11 - Hemispheric Specialization Neuroanatomy of...

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Hemispheric Specialization
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Neuroanatomy of Language
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Broca’s Area Expressive speech Ventrolateral prefrontal cortex (left hemisphere) (Area triangularis)
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Broca’s Aphasia Impaired speech production (motor aspects) Comprehension unimpaired Patients are aware of disability Example: "Son . .. University . .. Smart . .. Boy . .. Good . .. Good . .. " http://www.youtube.com/watch?v=f2IiMEbMnPM
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Broca’s Patient: “Tan”
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Video 6
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Arcuate Fasciculus Fiber tract that connects Broca’s and Wernicke’s areas
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Conduction Aphasia Speech is fluent, but meaningless Unable to repeat phrases correctly Comprehension & reading can be relatively intact
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Other Language Disturbances Transcortical Motor: anterior/superior frontal areas Telegraphic speech and perseverative, but good comprehension. Transcortical Sensory: temporal (auditory/visual cortex; behind Wernicke area) Anomic Aphasia:
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This note was uploaded on 06/28/2011 for the course PSYCHOLOGY 253 taught by Professor Knight during the Spring '11 term at University of Alabama at Birmingham.

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BMB_4_7_11 - Hemispheric Specialization Neuroanatomy of...

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