CMD 460 Lecture Notes - Lecture 8: Vocal Folds, List Of Voice Disorders, Aphonia
Document Summary
Functional typically the result of particular vocal behaviors or a reaction to some. Organic caused by some physical condition that has impacted the structure. Neurological a result of an impairment to either the cns or pns and/or function of the larynx. Sometimes a voice disorder is an isolated problem but frequently it is a part of a complex communication disorder. Hyperfunction - due to increased muscle activity. Hypofunction due to reduced muscle activity. Functional voice disorders (voice abnormalities unrelated to structural change) No known organic cause for aphonia or dysphonia. A psychogenic cause may be suspected especially if the patient is able to produce normal phonation during coughing or laughing. Voice may be restored within an hour or less in some cases. Referral to a mental health clinician may be indicated in some. Continued use of a high-pitched voice by a postpubertal male. Typically cough at a pitch level that is normal for his age.
