CSD 2230 HUMAN COMMUNICATION DISORDERS Topic 3 Introductory Anatomy and Physiology of the Speech, Voice and Auditory System The Auditory System.

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Presentation transcript:

CSD 2230 HUMAN COMMUNICATION DISORDERS Topic 3 Introductory Anatomy and Physiology of the Speech, Voice and Auditory System The Auditory System

The Hearing System Basic schematic diagram of the entire auditory system

The Outer Ear Major Landmarks: 1. Pinna 1. CD ROM Ch External Auditory Meatus 3. Tympanic Membrane 1. CD ROM Ch.05.05

Function of the Outer Ear 1. Collect and funnel sound to the eardrum 2. Protection 3. Resonance

The Middle Ear Major Landmarks: 1. Middle Ear Space 2. Eustachian Tube 3. Mastoid 4. Oval and Round Windows 5. Ossicles 1. CD ROM Ch 05.06

Function of the Middle Ear 1. Amplifier and transformer 2. Protection

The Inner Ear Major Landmarks: 1. Bony Labyrinth 2. Membranous Labyrinth 3. Auditory and Vestibular Portions 4. Cochlea

The Organ of Corti

Central Auditory Pathways

Putting It All Together….

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