feb5 - Introduction to Audiology Outer Ear Anatomy &...

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1 Introduction to Audiology Outer Ear Anatomy & Physiology
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2 Learning Objectives Be able to label the anatomical structures of the outer ear. Be able to describe the functions of the outer ear. Be able to label the important anatomical landmarks of the TM. Be able to discuss the disorders of the outer ear. Be able to discuss the uses and abuses of Q-tips. - Readings: Martin, F & Clark, JG. (2006). Chapter 8: The Outer Ear (pp. 223-239). In Introduction to Audiology . Boston: Allyn & Bacon. Musiek, F. & Baron, JA (2007). Chapter 1: Overview of the Anatomy and Physiology of the Auditory System (pp. 1-5) and Chapter 2: The External Ear (pp. 38-47) in The Auditory System: Anatomy, Physiology, and Clinical Correlates . Boston: Pearson Education.
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3 Anatomical Divisions of Ear Peripheral System Central System See Figure 1.1 (p. 50) Sound transmission in the auditory system Acoustic energy enters outer ear Converted to mechanical energy in middle ear Converted to neural impulses in the inner ear and beyond
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4
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5 The Pinna - Anatomy Protrudes from head at an angle Funnel configuration Consists of cartilage connected by ligaments Extrinsic and intrinsic muscles Major landmarks Upper portion Middle portion Lower portion
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6 The Pinna - Function Gathers sound waves from environment Aids in ability to localize sound in both
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This note was uploaded on 04/13/2008 for the course SPEECH PAT sppa 3859 taught by Professor Kelly during the Winter '08 term at CSU East Bay.

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feb5 - Introduction to Audiology Outer Ear Anatomy &...

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