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Unformatted text preview: Phonological Input Lexicon Graphemic Input Lexicon Visual Representation /kaet/ cat Semantic System Letter-to-sound conversion Sound-to-letter conversion Graphemic Output Lexicon Phonological Output Lexicon Graphemic Buffer Phonological Buffer Literacy Beeson & Hillis, 1999 Types of Aphasias ( Nonfluent Anterior & Fluent - Posterior) Global Brocas Transcortical Motor Wernickes Transcorical Sensory Conduction Anomic Fluent: No No No Yes Yes Yes Yes A. Compre: Poor okay Good Poor Poor Good Good Repetion: Poor Poor Good (arcuate fassic ok) Poor Good Poor Good Naming : Poor Poor Paraphrasic Poor Variable most impaired Reading: Cant Maybe Cant Can Cant Can maybe Good Writing: Cant Cant Cant Cant Can maybe Good Mixed transcortical aphasia is characterized by severe speaking and comprehension impairment, but with preserved repetition. People who suffer mixed transcortical aphasia struggle greatly to produce propositional language or to understand what is being said to them...
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- Spring '08