Movement disorders

Question 1

Movement disorder conceptualization

Answer 1

-excessive abnormal involuntary movements (dyskinesia) OR halting initiation and slowed execution of directed movement (akinesia or bradykinesia)

Question 2

Neurochemical & bradykinesia

Answer 2

Insufficient formation and action of dopamine causes motor symptoms and bradykinesia

Question 3

Neurochemical & dyskinesia

Answer 3

Excess dopamine causes dyskinesia

Question 4

Movement disorder clinical features

Answer 4

• Temporarily modifiable
• Anxiety, fatigue, and stimulants exacerbate clinical symptoms
• extraneous movements may be decreased temporarily with volition
• Involuntary movements other than tics and myoclonus absen t during sleep