Dysarthria is defined as difficulty in articulation of words due to neurologic disturbances of function of orofacial muscles, tongue, lips, and throat. Dysarthria can be due to a range of causes that include lesions in the cortical motor-face area, cerebellum, cranial nerves innervating muscles of articulation, and local lesions of the structures involved in articulation of speech. Clinical manifestation depends on the cause of dysarthria and associated diseases.
Mar. 28, 2021