Hyperkinetic Dysarthria Flashcards
Choose one: Extrapyramidal or Pyramidal = lesions in the basal ganglia circuit?
Extrapyramidal
Lesions in the basal ganglia circuit mainly affects which subsystem(s).
-Prosody
Lesions in the basal ganglia cause what kind of speech characteristics?
Abnormal, rhythmic (reg or irreg), and unpredictable, rapid or slow involuntary movements.
T/F: A pt with Hyperkinetic Dys is most likely going to have involuntary movements.
TRUE
T/F: Abnormal movements may only be present during speech.
TRUE
Abnormal movements may be the result of?
- A failure to inhibit cortical motor discharges.
- Also, there may be firing from the thalamus that isn’t inhibited causing these movements.
- There may be an imbalance between the excitatory and inhibitory neurotransmitters.
Which is excitatory and which is inhibitory?
- ACH
- Dopamine
- ACH=excitatory
- Dopamine=Inhibitory
T/F: The term hyper in Hyperkinetic means too fast speed in movements.
FALSE: It means movements that don’t belong, extra movements.
Voluntary movements of these pts may be SLOW
What is dyskinesia?
- A term which refers to abnormal, hyperkinetic, involuntary movements.
- A general term for abnormal movement.
Dyskinesias occurring in the mouth, tongue or jaw are called?
Orofacial dyskinesias