mixed dysarthria

Question 1

define mixed dysarthria

Answer 1

occurs when neurologic damage extends into two or more parts of motor system

Question 2

what is mixed dysarthria characterized

Answer 2

combination of characteristics in single pure dysarthria

Question 3

causes of mixed dysarthria

Answer 3

various disorders affecting two or more parts of motor system

Question 4

Multiple Sclerosis

Answer 4

progressive demyelinating disease

Question 5

where can MS occur

Answer 5

in brainstem, cerebellum, cerebral hemispheres, and spinal cord

Question 6

what can MS cause

Answer 6

any pure or combination of mixed dysarthria

Question 7

what mixed dysarthria’s are most common in MS

Answer 7

ataxic-spastic

Question 8

multisystems atrophy

Answer 8

collective term for group of degenerative disorders (many including parkinsonian symptoms: shy-drager syndrome, progressive supranuclear palsy, olivopontocerebellar atrophy)

Question 9

ALS

Answer 9

progressive degeneration of any of four areas of motor neurons

Question 10

does ALS often progress from affecting two motor neuron groups to all four?

Answer 10

yes

Question 11

wilson’s disease

Answer 11

very rare hereditary preventing normal metabolism of dietary copper

Question 12

what dyarthiras present in wilson’s disease

Answer 12

ataxic-spastic-hypokinetic

Question 13

ALS mixed dyarthria’s

Answer 13

spastic-flaccid

Question 14

friedreich’s ataxia

Answer 14

rare, inherited, progressive disorder

Question 15

what does friedreich’s ataxia cause

Answer 15

neuron degeneration in cerebellum, brainstem, and spinal cord

Question 16

what type of dysarthria is most common in Friedreich’s ataxia

Answer 16

ataxic-spastic

Question 17

general rule for tx of mixed dysarthria

Answer 17

first treat component most severely affecting speech production

Question 18

what is the order of tx of speech systems

Answer 18

respiration, resonation, phonation, articulation, prosody

Question 19

caveats of treatment in mixed dysarthria

Answer 19

• multiple problems in single component of speech: treat most severe first
• patient may have strong preference for what needs to be treated initially
• patient’s attention or memory deficit may make working on one deficit too difficult