Basal Ganglia and Cerebellum Flashcards
1
Q
What 3 things make up the basal ganglia?
A
Caudate nucleus, Putamen, Globus pallidus
2
Q
Globus Pallidus
A
where the 2 pathways of the basal ganglia converge
3
Q
What are the 2 pathways of the BG?
A
Excitatory and inhibitory
4
Q
What is the NT of the excitatory pathway?
A
glutamate
5
Q
What is the NT of the inhibitory pathway?
A
GABA
6
Q
Huntington’s Disease
A
Result of a genetic mutation
involuntary and exaggerated movements
7
Q
Parkinson’s Disease
A
Caused by loss of dopamine cells from the substantia nigra
muscular rigidity and difficulty initiating and performing movements
8
Q
How does the cerebellum control movement?
A
Timing of movements
Helps maintain accuracy
