10 Questions
What is the main characteristic of movement disorders?
Affecting the control of movement
Which disorders are associated with movement abnormalities related to the cerebellar system?
Ataxias
What do extrapyramidal disorders (EPD) impair?
Regulation of voluntary motor activity without affecting strength, sensation, or cerebellar function
Which neurotransmitters are affected in basal ganglia disorders?
Dopamine and acetylcholine
What structures comprise the basal ganglia?
Caudate nucleus, putamen, and globus pallidus
What type of tasks are affected by dyspraxias?
Complex tasks or movement patterns
Which type of tremor is slow, coarse, and 'pill-rolling', worse at rest but reduced with voluntary movement?
Resting (akinetic) tremor
Which type of movement disorder is characterized by a rhythmic involuntary oscillatory movement about a joint or a group of joints?
Tremor
In which part of the body is resting (akinetic) tremor more common?
Jaw/chin
Which type of tremor is noted on posture and with movement (kinetic) and may be improved by alcohol?
Essential tremor
Test your knowledge of movement disorders and their impact on the control of movement, involving the basal ganglia, cerebellum, and their connections to the cortex, subcortex, brainstem, and spinal cord.
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