Difficulty in articulating words, caused by impairment of the muscles used in speech.
Origin of dysarthriadys– + Greek arthron, joint, (vocal) articulation; see ar- in Indo-European roots.
(countable and uncountable, plural dysarthrias)
- Difficulty in articulating words due to disturbance in the form or function of the structures that modulate voice into speech. One of first indicative symptoms of myasthenia gravis brought about by an auto-immune response to acetylcholine receptors.
From Greek dys- (mis-, accidental) and arthrosis ἄρθρωσις (articulation).