Aphasia

Question 1

What is flaccid dysarthria (what motor dysfunction causes it and what are the speech characteristics)

Answer 1

damage to the LMNs

imprecision in speech sounds, atrophy, weakness and hypotonia, straight paralysis, tongue fasciculations

Question 2

What is spastic dysarthria (what motor dysfunction causes it and what are the speech characteristics)

Answer 2

damage to the UMNs

effortful speech, hypertonia, spasticity, overactive reflexes

Question 3

What is hypokinetic dysarthria (what motor dysfunction causes it and what are the speech characteristics)

Answer 3

damage to basal ganglia (reduced influence in direct pathway)

imprecision, pressed speech, rushes of speech, quiet soft vocal volume

Question 4

what is hyperkinetic dysarthria (what motor dysfunction causes it and what are the speech characteristics)

Answer 4

damage to the basal ganglia (reduced influence of indirect pathway)

chorea, unpredictable or inconsistent changes to speech, tardive dyskinesia

Question 5

what is ataxic dysarthria (what motor dysfunction causes it and what are the speech characteristics)

Answer 5

damage to the cerebellum

monotone, strained vocal quality, slurred and imprecise, unpredictable