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Tag: Neurological voice disorders

A collection of encyclopedia entries relating to neurological voice disorders.

Six years post SLAD-R
Disorders

SLAD-R

SLAD-R (Selective laryngeal adductor denervation-reinnervation). It is a surgical option for adductory spasmodic dysphonia. The concept is to sever the anterior branch of the recurrent laryngeal nerve.

Pharyngeal paralysis
Disorders

Pharyngeal Paralysis

The pharynx (loosely “throat”) has a “foodway” function to convey food and liquid from the mouth to the esophagus. It also serves as part of the “airway,” also from mouth into the Larynx and trachea. These foodway/airway functions are kept

IA-only paresis
Disorders

IA-Only Paresis

IA-only paresis refers to weakness or paralysis of the larynx’s interarytenoid (IA) muscle—an unpaired muscle spanning between the bodies of both arytenoid cartilages—but with normal function of the other muscles in the larynx. The IA muscle helps to bring the

Parkinson’s-related voice change
Disorders

Parkinson’s Disease-Related Voice Change

Voice change that accompanies Parkinson’s disease (PD) typically has two components. One component is a change to the “inner engine” of the voice. A second component of PD-related voice change is that the larynx becomes weak and atrophied.

Mixed AB-AD Spasmodic Dysphonia

The combination of both abductor (AB) and adductor (AD) vocal cord spasms in a person who has spasmodic dysphonia (SD). Most individuals with SD have a predominance of one spasm type or the other—AB or AD—such that we classify the

Vocal self-rapport

The ability to relate to one’s voice and to hear and experience it insightfully. Vocal self-rapport includes being self-aware of pitch, effort level, quality, loudness, etc. Accomplished singers may have exquisite vocal self-rapport, being able to match pitch and be

Spasmodic dysphonia
Botox

Spasmodic Dysphonia (SD): Definition and Treatments

A non-life-threatening neurological disorder in which the muscles of the larynx involuntarily spasm and interfere with the voice. Spasmodic dysphonia (SD) is a focal dystonia, in this case involving the larynx—i.e., laryngeal dystonia. Laryngeal dystonia typically affects the voice, but

ight vocal cord process turns slightly laterally due to LCA muscle weakness
Disorders

Vocal Cord Paresis

Vocal cord paresis is the partial loss of voluntary motion for one or more of the vocal cord muscles, caused by damage to the muscles’ nerve supply.

Signs of PCA-only paresis
Disorders

PCA-only Paresis

Weakness or paralysis of the vocal cord’s posterior cricoarytenoid (PCA) muscle, but with normal function of the vocal cord’s other muscles. The PCA muscle abducts (lateralizes) the vocal cord for breathing. The following are indicators of PCA-only paresis: Movement: The

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