LING 2604 Lecture Notes - Lecture 2: 2015 American League Division Series, Phonation, Auditory System
16 Sep 2015
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Alds 2604 anatomy and physiology of verbal communication. Same structures that allow us to breathe, eat & drink have been also used to produce verbal communication. Key piece of diagnostic info = how well does individual cope w/ breathing & eating. Biological underpinnings of language: (cycle with these 4) Inner ear works fine, but brain doesn"t process sound properly; white noise. *diagram in lecture slide: diaphragm, intercostal muscles. Expands when diaphragm contracted, allows space for air: trachea. Breathing at rest: inspiration/expiration cycles are even. Breathing for speech: short inspiration/prolonged expiration, postural support. Structure of the larynx: *diagram in lecture slide( Cartilages (3 + 1: thyroid (shield, cricoid (ring, arytenoids (pyramid shaped, epiglottis (leaf) If problems with vocal cords or paralysis, helps with having chin down, so epiglottis goes over the glottis, protects a little bit of liquid from coming down. Help whole larynx to move up & down (e. g. swallowing)
