Difficult or unclear articulation of speech that is otherwise linguistically normal.
- Functional deficits in tongue movement contribute to a host of disorders, including obstructive sleep apnea, dysarthria, and dysphagia.
- The diagnosis usually is not suspected until the neurological symptoms, including cognitive impairment, pain and paresthesias, dysarthria, and gait abnormalities, appear.
- A 50 year old man presented with a two week history of a flu-like illness and four days of dysarthria, dysphagia, shortness of breath, and neck discomfort.
Late 19th century: from dys- 'difficult' + Greek arthron 'joint or articulation'.
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