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Voice disordersTitze, I.R. (1994). Principles of Voice Production, Prentice Hall, . are medical conditions involving abnormal pitch, loudness or quality of the sound produced by the larynx and thereby affecting
speech Speech is a human vocal communication using language. Each language uses phonetic combinations of vowel and consonant sounds that form the sound of its words (that is, all English words sound different from all French words, even if they ar ...
production. These include: * * *
Vocal fold nodule Vocal cord nodules are bilaterally symmetrical benign white masses that form at the midpoint of the vocal folds. Although diagnosis involves a physical examination of the head and neck, as well as perceptual voice measures, visualization of the v ...
s * Vocal fold cysts *
Vocal cord paresis Vocal cord paresis, also known as recurrent laryngeal nerve paralysis or vocal fold paralysis, is an injury to one or both recurrent laryngeal nerves (RLNs), which control all intrinsic muscles of the larynx except for the cricothyroid muscle. Th ...
* Reinke's edema *
Spasmodic dysphonia Spasmodic dysphonia, also known as laryngeal dystonia, is a disorder in which the muscles that generate a person's voice go into periods of spasm. This results in breaks or interruptions in the voice, often every few sentences, which can make a pe ...
*
Foreign accent syndrome Foreign accent syndrome is a medical condition in which patients develop speech patterns that are perceived as a foreign accent that is different from their native accent, without having acquired it in the perceived accent's place of origin. Fo ...
*
Bogart–Bacall syndrome Bogart–Bacall syndrome (BBS) is a voice disorder that is caused by abuse or overuse of the vocal cords. People who speak or sing outside their normal vocal range can develop BBS; symptoms are chiefly an unusually deep or rough voice, or dysphonia ...
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Laryngeal papillomatosis Laryngeal papillomatosis, also known as recurrent respiratory papillomatosis (RRP) or glottal papillomatosis, is a rare medical condition in which benign tumors ( papilloma) form along the aerodigestive tract. There are two variants based on the ...
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Laryngitis Laryngitis is inflammation of the larynx (voice box). Symptoms often include a hoarse voice and may include fever, cough, pain in the front of the neck, and trouble swallowing. Typically, these last under two weeks. Laryngitis is categori ...


See also

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Aphasia Aphasia is an inability to comprehend or formulate language because of damage to specific brain regions. The major causes are stroke and head trauma; prevalence is hard to determine but aphasia due to stroke is estimated to be 0.1–0.4% in t ...
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Dysphonia A hoarse voice, also known as dysphonia or hoarseness, is when the voice involuntarily sounds breathy, raspy, or strained, or is softer in volume or lower in pitch. A hoarse voice, can be associated with a feeling of unease or scratchiness in the ...
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Human voice The human voice consists of sound made by a human being using the vocal tract, including talking, singing, laughing, crying, screaming, shouting, humming or yelling. The human voice frequency is specifically a part of human sound producti ...
* Laryngectomy *
Parkinson's disease Parkinson's disease (PD), or simply Parkinson's, is a long-term degenerative disorder of the central nervous system that mainly affects the motor system. The symptoms usually emerge slowly, and as the disease worsens, non-motor symptoms bec ...
*
Speech disorder Speech disorders or speech impairments are a type of communication disorder in which normal speech is disrupted. This can mean stuttering, lisps, etc. Someone who is unable to speak due to a speech disorder is considered mute. Speech skills a ...
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Vocology Vocology is the science and practice of vocal habilitation, or vocal training and therapy.Titze IR. (1996). What is vocology? Logopedics Phoniatrics Vocology, 21:5-6. Its concerns include the nature of speech and language pathology, the defects of ...
* Voice changes during puberty


References

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