Dysarthrias

Question 1

lesion site of ataxic dysarthria

Answer 1

cerebellum

Question 2

neuromotor basis of ataxic dysarthria

Answer 2

incoordination

Question 3

common etiologies of ataxic dysarthria

Answer 3

any bilateral or generalized damage to the cerebellum including degenerative ataxia and demyelinating disease

Question 4

articulation characteristics of ataxic dysarthria

Answer 4

imprecise consonants
irregular articulatory breakdowns
distortion of vowels

Question 5

prosody characteristics of ataxic dysarthria

Answer 5

excessive and even stress
prolonged phonemes and intervals between
slow rate of speech

Question 6

phonation characteristics of ataxic dysarthria

Answer 6

mono pitch
mono loudness
harshness

Question 7

resonance characteristics of ataxic dysarthria

Answer 7

intermittent hyponasality

Question 8

respiration characteristics of ataxic dysarthria

Answer 8

exaggerated and paradoxical mvmt during speech production

Question 9

lesion site of flaccid dysarthria

Answer 9

LMN

Question 10

neuoromotor basis of flaccid dysarthria

Answer 10

weakness and hypotonia

Question 11

common etiologies of flaccid dysarthria

Answer 11

Any damage to LMN connections to muscles and/or CNs, including

• motor neuron disease
• progressive bulbar disease
• multiple systems atrophy
• myasthenia gravis
• botulism
• vascular diseases and brainstem strokes
• infections (polio, AIDS)
• Guillain Barre syndrome
• surgical trauma

Question 12

Articulation characteristics of Flaccid dysarthria

Answer 12

imprecise consonants

weak pressure consonants (for lesions of CN V, VII, XII)

Question 13

phonation/phonatory-prosodic characteristics of flaccid dysarthria

Answer 13

Breathy
Audible inspiration
Harshness
Monopitch
Monoloud or reduced loudness
Short phrases

Question 14

Resonance characteristics of flaccid dysarthria

Answer 14

Hypernasality
Nasal emission
Short phrases

Question 15

Respiration characteristics of flaccid dysarthria

Answer 15

reduced sub glottal air pressure

weak inhalation

Question 16

lesion site of hyperkinetic dysarthria

Answer 16

basal ganglia and/or basal ganglia connections within CNS

Question 17

neuromotor basis for hyperkinetic dysarthria

Answer 17

Abnormal, extra movements

Question 18

Common etiologies for hyperkinetic dysarthria

Answer 18

Huntington's disease
Sydenham;s chorea
Brainstem stroke
TBI
Toxic conditions
Metabolic conditions (i.e., tardive dyskinesia)
Tourette's syndrome
Seizure disorders
Spasmodic dysphonia

Question 19

Articulation characteristics of hyperkinetic dysarthria

Answer 19

Imprecise consonants

Distorted vowels

Question 20

Prosodic characteristics of hyperkinetic dysarthria

Answer 20

Slower rate of speech
prolong interword intervals
inappropriate client periods
phoneme prolongations
excess and equal stress
reduced stress
short phrases

Question 21

phonation characteristics of hyperkinetic dysarthria

Answer 21

mono pitch

mono loudness

Question 22

resonance characteristics of hyperkinetic dysarthria

Answer 22

hyper nasality (mild, in some cases)

Question 23

respiration characteristics of hyperkinetic dysarthria

Answer 23

audible inspiration and forced/sudden inspiration or expiration