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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]
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).
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: These include: Vocal fold nodules
Allergies, respiratory infections, and talking too loudly can all cause aphonia to occur. Aphonia is the medical term for losing your voice. Allergies, respiratory infections, and talking too ...
Primary MTD occurs without an underlying organic cause while secondary MTD occur due to an underlying organic source. [3] MTD is more commonly diagnosed in women, [5] [3] the middle aged, [2] and individuals who have high levels of stress. [1] It is also more often seen in those who use their voice often such as singers and teachers. [2]
Causes distortions of the mouth and tongue. Spasmodic dysphonia/Laryngeal dystonia muscles of larynx: Causes the voice to sound broken, become hoarse, sometimes reducing it to a whisper. Focal hand dystonia (also known as musician's or writer's cramp). single muscle or small group of muscles in the hand
Bogart–Bacall syndrome is considered a secondary muscle tension dysphonia disorder, meaning that there is an abnormality in the voice box that causes the overuse of muscles to help produce your voice. This abnormality can be caused by an underlying medical reason or a physical exertion.
Laryngospasm is an uncontrolled or involuntary muscular contraction of the vocal folds. [1] It may be triggered when the vocal cords or the area of the trachea below the vocal folds detects the entry of water, mucus, blood, or other substance.