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The person's voice may also sound strained or they may be nearly unable to speak. [2] Onset is often gradual and the condition is lifelong. [1] The cause is unknown. [1] Risk factors may include family history. [1] Triggers may include an upper respiratory infection, injury to the larynx, overuse of the voice, and psychological stress. [1]
Someone who is unable to speak due to a speech disorder is considered mute. [2] Speech skills are vital to social relationships and learning, and delays or disorders that relate to developing these skills can impact individuals function. [3] For many children and adolescents, this can present as issues with academics. [4]
Whenever we speak, whether we realize it or not, there are nonverbal aspects of our speech that reveal information about our feelings and attitude. There has been strong evidence that dysprosody does affect the ability to express emotion, however the severity may vary depending on what part of the brain has been damaged.
The patient—a 47-year-old woman named Ann who had experienced a brainstem stroke 18 years ago, terminating her ability to speak—agreed to have a paper-thin, credit card-sized set of 253 ...
Neurological injury due to damage in the central or peripheral nervous system may result in weakness, paralysis, or a lack of coordination of the motor–speech system, producing dysarthria. [1] These effects in turn hinder control over the tongue, throat, lips or lungs; for example, swallowing problems ( dysphagia ) are also often present in ...
Typically, this surgery is considered to improve the position or tension of the vocal folds which can improve vocal volume and production. This is also known as laryngeal framework surgery. The most common technique may be to insert small blocks of custom-shaped silastin just inside of the tracheal wall, pushing the vocal fold muscle inward ...
Aphasia, also known as dysphasia, [a] is an impairment in a person’s ability to comprehend or formulate language because of damage to specific brain regions. [2] 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 developed countries. [3]
As aphasias and other language disorders are frequently due to stroke, their symptoms can change and evolve over time, or simply disappear. If the cause is a stroke, people can make a good recovery but may have persistent deficits. [15] This is because the healing in the brain after inflammation or hemorrhage, leads to decreased local ...