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Voice disorders [1] are medical conditions involving abnormal pitch, loudness or quality of the sound produced by the larynx and thereby affecting speech production. These include: Vocal fold nodules; Vocal fold cysts; Vocal cord paresis; Reinke's edema; Spasmodic dysphonia; Foreign accent syndrome; Bogart–Bacall syndrome; Laryngeal ...
Laryngology is a branch of medicine that deals with disorders, diseases and injuries of the larynx, colloquially known as the voice box.Laryngologists treat disorders of the larynx, including diseases that affects the voice, swallowing, or upper airway.
The slit-like space between the left and right vocal cords, called the rima glottidis, is the narrowest part of the larynx. The vocal cords and the rima glottidis are together designated as the glottis. The laryngeal cavity above the vestibular folds is called the vestibule.
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. [1] [2] This results in breaks or interruptions in the voice, often every few sentences, which can make a person difficult to understand. [1]
Vocal pedagogists may use the term vocal register to refer to any of the following: [2] A labeled anatomical diagram of the vocal folds or cords. a particular part of the vocal range such as the upper, middle, or lower registers; a resonance area such as chest voice or head voice; a phonatory process; a certain vocal timbre
Each of these uses an alternative method of creating phonation to substitute for the vocal cords in the larynx. These forms of alaryngeal speech are also called "pseudo-voices". These forms of alaryngeal speech are also called "pseudo-voices".
Presbylarynx is a condition in which age-related atrophy of the soft tissues of the larynx results in weak voice and restricted vocal range and stamina. In other words, it is the loss of vocal fold tone and elasticity due to aging which affects voice quality.
Voice disorders can be divided into two broad categories: organic and functional. [9] The distinction between these broad classes stems from their cause, whereby organic dysphonia results from some sort of physiological change in one of the subsystems of speech (for voice, usually respiration, laryngeal anatomy, and/or other parts of the vocal tract are affected).