Hyperkinetic Dysarthria Flashcards
Hyperkinetic dysarthrias are a perceptually distinguishable group of MSDs that are most often associated w/ diseases of the ___________.
basal ganglia control circuit
Hyperkinetic dysarthrias often have prominent effects on _____.
prosody
Hyperkinetic : ________
abnormal/extra involuntary movements
Each hyperkinetic movement disorder has its own ________ movements.
involuntary
Hypokinetic dysarthria: not enough dopamine produced :: hypokinetic : ______ dopamine
excessive
Hyperkinetic dysarthria is primarily characterized by what?
involuntary movements
rapid, involuntary, random, purposeless movements of a body part which may be subtle or obvious; unpredictable (fast type)
Chorea
involuntary single or repetitive jerks; rhythmic
Myoclonus
abnormal posture resulting from excessive co-contraction (slow type)
dystonia
refers to rhythmic movement of a body part (resting or action)
essential tremor
slow, writhing, purposeless movements
athetosis
tremor can affect all muscles of speech but is restricted to what specific structure?
the larynx
a rythmic, quavering, waxing and waning character
essential vocal tremor
Causes of hyperkinetic dysarthria
Huntington’s, tardive dyskinesia, vascular, tumors…
T or F? Respiration an resonance are most impacted in hyperkinetic dysarthria.
False; least impacted
how does chorea affect phonation in hyperkinetic dysarthria?
it can lead to sudden voice arrests w/ an intermittent strained quality or transient nasal emission
Choreic movements of the velopharynx can produce …
muld intermittent hypernasality and nasal emission
irregular AMRs and unsteadiness of vowel prolongation may be stinking b/c …
of the unpredicatable movements superimposed on the vocal tract
intermittent, waxing, waning or constrant strained-harsh voice quality
adductor spasmodic dysphonia
intermittent breathy or aphonic segments of speech
abductor spasmodic dysphonia
