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An articulation area in the brain? Article review by Laura Hussmann

An articulation area in the brain? Article review by Laura Hussmann. Brown, S., Ngan , E., & Liotti , M. . (2008). A larynx area in the human motor cortex. Cerebral Cortex , 18 (4), Retrieved from www.oxfordjournals.org. Purpose & Description. Purpose: Use fMRI

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An articulation area in the brain? Article review by Laura Hussmann

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  1. An articulation area in the brain?Article review by Laura Hussmann Brown, S., Ngan, E., & Liotti, M. . (2008). A larynx area in the human motor cortex. Cerebral Cortex, 18(4), Retrieved from www.oxfordjournals.org

  2. Purpose & Description • Purpose: • Use fMRI • Find area(s) responsible for articulation • Expansion of Penfield (1930s, 1940s) • Subjects: • 8 male, 8 female • Ages 21-49 • ESL • Procedure: • 16 sec task, 16 sec rest • 4 tasks of interest: • 1. Phonation of schwa • 2. Glottal stops • 3. Lip protrusion • 4. Vertical tongue movement

  3. Results

  4. Conclusions • Valid study? • Low number of participants • Very diverse • Clinical implications: • Can assign etiological cause to some motor speech disorders • Provides insight to current communication disorders • Future practice: • fMRI for all clients • Norm-referenced brain mapping of speech and language areas • Advantages and limitations • Goal writing

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