SLHS 1150 Lecture Notes - Lecture 18: Stroke, Dysarthria, Language Planning
31 Oct 2018
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Affects the brain regions that control or organize motor movements of the mouth/articulator. Affects the brain regions that control language planning and execution. > injury to the blood vessels in the brain via clot or hemorrhage. Embolism: piece of clot moves to block a smaller/more narrow area of the artery. Men are slightly more at risk than women. 75% of all strokes occur in individuals 65 yr. or older. Second most common cause of death worldwide. No one stroke is ever the same. Risk of recurrent stroke(s) increases after 1. > impairment of the motor control for speech caused by weakness, paralysis, slowness, or incoordination of the muscles responsible for producing speech. 6 types of dysarthria account for 45% of neurogenic communication disorders. > impairment in the ability to mentally organize the speech muscles and articulators for volitional production of speech sounds. > neurogenic impairment in the brain regions controlling language.
