L15-SpeechSystem

L15-SpeechSystem - Speech Biological Mechanisms of Language...

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Speech Biological Mechanisms of Language o Requirements for the use of language and speech Symbolic representations: words Rules for using symbols: Grammar Ordering symbols: Syntax Giving appropriate emotional valence: Prosody Structures involved in producing and understanding speech o Broca’s area o Wernicke’s area o Primary auditory cortex: hear words to respond o Primary motor cortex: tell parts to move to talk o Primary somatic sensory cortex: sensation of speaking o Primary visual cortex: facial expressions; reading lips Speech Disorders o Agrammatism Difficulty understanding or properly using word endings, verb tense, and word order o Anomia Difficulty finding the right word to describe an object, action, or attribute o Aphasia Difficulty producing or comprehending speech Not produced by deafness or a simple motor deficit Caused by brain damage Paul Broca o French Neurologist o First Patient “Tan” (M. Laborgne) o Broca performed an autopsy of the brain upon Tan’s death
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This note was uploaded on 04/09/2008 for the course PSYC 220 taught by Professor Brunges during the Spring '07 term at UVA.

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L15-SpeechSystem - Speech Biological Mechanisms of Language...

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