Lecture 7 Where is language

Lecture 7 Where is language - Where is language? Thought it...

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Where is language? Thought it was in tongue ( as late as 1800s/19 th century ), front lobe ( gall and phrenologists ), 4 th ventricle ( Dark ages and Renaissance ), 3 rd frontal convolution ( inferior frontal gyrus… Broca 1861 ), left hemisphere ( Broca 1865 ), 1 st temporal convolution ( superior temporal gyrus… Wernicke’s area 1874 ) Broca: 1861, patient Tan (Lebourgne) good comprehension, but could only produce “tan” Selective deficit in language production- “telegraphic” Wernicke: Published The Aphasia Complex 1874 Patients had impaired language comprehension and production- but language production was not “telegraphic” - it was fluent but just empty of substance and understanding (semantics). WADA Test - also known as the " intracarotid sodium amobarbital procedure" (ISAP) Essentially barbiturate is injected to one hemisphere at a time to see the effects of shutting down one hemispheres language and cognitive functions. Why should handedness and language lateralization be related?
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This note was uploaded on 05/28/2009 for the course COG 050.203.01 taught by Professor Dr.rapp during the Spring '09 term at Johns Hopkins.

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Lecture 7 Where is language - Where is language? Thought it...

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