SPA 4104 Lecture Notes - Lecture 15: Motor Speech Disorders, Dysarthria, Corticobulbar Tract

• School: University of Florida
• Department: Speech Pathology & Audiology
• Course: SPA 4104
• Professor: Karen W Hegland

Document Summary

In the absence of weakness, slowness, incoordination when used for reflex / automatic act: disturbance in the planning of movements for speech, can exist independent of language problems, often coexists with aphasia and dysarthria. Lmn: van der merwe"s framework of sensorimotor speech control and role of feedback, the framework: Infectious post encephalitic pdism: hypokinetic dysarthria deviant speech characteristics. Monopitch, monoloudness, short rushes, short phrases, variable rate, reduced stress. Amrs, palilalia: caused by bilateral umn damage, may manifest in any or all of the respiratory phonatory, resonator and articulatory components of speech. Vascular disorders brainstem stroke, not single cerebral hemisphere stroke. Inflammatory demyelinating disease that affect white matter of brain: spastic dysarthria deviant speech characteristics. Strained strangled, harsh vocal quality, decr pitch / loudness variability, pitch breaks / voice stoppages, short phrases. Slow rate, excess / equal stress, prolonged phonemes and intervals, short phrases. Errors in force, speed, timing, range and direction of movements hypotonicity.