Study Chart: Speech disorders

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Department
Linguistics
Course
LIN228H1
Professor
M.Radisic
Semester
Fall

Description
Speech Pathology Studies speech defects and their treatment Speech Pathology Disorders Disorder Effects Apraxia Type: motor programming Imprecise articulations Difficulty coordinating muscle movements needed Capable: laugh, cough, produce semiautomatic stock phrases Unaffected: comprehension, reading, writing Aphonia Vocal folds do not vibrate Cause: laryngectomy (removal) Treatment: vibrations created via alternative mechanisms Esophageal speech: air swallowed, released so vibration Artificial larynx: vibrating device held against throat during speech Dysphonia Difficulty creating vocal fold vibration Spasmodic Larynx tightly held dysphonia Difficulty creating and controlling vocal fold vibration Difficulty speaking above whisper Unaffected: laughing, coughing Hypofunctionality of
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