psych106-20

psych106-20 - Lecture 20(March 15 th Language&...

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Unformatted text preview: Lecture 20 (March 15 th ): Language & Lateralization Lecture Outline 1) Evidence for Lateralization (i.e., Hemispheric Specialization) 2) Language: Lesion Studies Demonstrating the Left Hemisphere ` s Dominance for Language Broca ` s Aphasia, Wernicke ` s Aphasia 3) Right Hemisphere ` s Role in Language 4) Split-Brain Patients and Lateralization 5) Development of Language Lateralization 6) Other Non-Language Lateralizations LATERALIZATION (HEMISPHERIC SPECIALIZATION) : Left and Right hemispheres involved in different functions Ways to Study Lateralization : 1) People with Lesions in One Hemisphere Each hemisphere of the brain receives from:- the opposite side of the body ( Left-Side vs. Right-Side)- the opposite visual Feld ( Left Visual Field (LVF) vs. RVF) ….. but this is not perfect , because the commisures connect the two hemispheres (e.g., Corpus Callosum) So, what would be perfect for Method (2)? Split Brain Patients (severed Corpus Callosum, come back to later today) 2) Isolate Activity in One Hemisphere Capitalize on Contralateral Input in Sensory Systems LANGUAGE (Humans) Psychologists, Philosophers, Linguists, Cognitive Scientists, Neuroscientists AGE-OLD debate: What constitutes a l language z ?- Communication? Gestures?...
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This note was uploaded on 03/24/2012 for the course PSYC 106 taught by Professor Sage during the Spring '07 term at UCSD.

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psych106-20 - Lecture 20(March 15 th Language&...

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