Speech Pathology and Audiology Commons^™

Dysarthria: A Study Of Effects On Communication, Casey Johnsen

Senior Honors Projects

Dysarthria is an impairment characterized by slow, weak, and imprecise muscle movements that affect one’s speech and communication. The specific characteristics of dysarthria vary depending on the site and extent of the lesion. Some general examples include articulatory-resonatory incompetence, imprecise consonants, distorted vowels, hypernasality, low pitch, harshness, strained-strangled voice and prosodic disturbances including slow rate. Dysarthria can be found in both children and adults, and is caused by neurologic disorders such as stroke, Down syndrome, cerebral palsy, Parkinson’s disease, or muscular dystrophy. Dysarthria can negatively impact one’s social participation. The extra effort it takes to speak and the frustration of …