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Flashcards in Motor Disorders Deck (5)
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1

AOS 4 most salient characteristics:

1) effortful, trial and error, groping articulatory movements, and attempts at self- correction

2) dysprosody unrelieved by extended periods of normal rhythm, stress, and intonation

3) articulatory inconsistency on repeated productions of the same utterance

4) frequent articulatory errors (substitution, distortion, omission, additions, and repetitions)

2

T/F: Atrophy and fasciculations are not always seen in flaccid dysarthria but they are not seen in other MSDs

True

3

Characteristics of Hypokinetic Dysarthria

Facial masking, orofacial tremulousness and reduced ROM on nonspeech AMRs is most common in hypokinetic dysarthria

Monopitch, monoloudness, reduced loudness and stress, a tendency towards a rapid rate

Accelerated rate (only MSD that has this—but may not always be present)

Rapid and blurred AMRs

4

Most common strategies for achieving compensated intelligibility:

increasing loudness

overarticulation

modifying speech rate

5

Characteristics of Hyperkinetic Dysarthria

Quick or slow, patterned or unpatterned involuntary movements at rest, during sustained postures, or
AMRs are a strong confirmatory sign
Some hyperkinesias occur only during speech

The MSD where visual observation (of involuntary movements) is most useful/diagnostic
Helps to distinguish it from the irregularity seen in ataxic dysarthria
Unpredictable and variably involuntary movements affecting speech are key
Only MSD where abnormal noises can interfere with speech or be produced at rest