1a Basal Ganglia Overview Flashcards
(8 cards)
1
Q
what composes the ‘striatum’
A
caudate + putamen
2
Q
what composes the ‘globus pallidus’
A
Gp external, Gp internal
3
Q
what composes the Substantia Nigra
A
Substantia nigra compacta, Substantia nigra reticulata
4
Q
what composes the Lenticular Nucleus
A
putamen + globus pallidus
5
Q
What does the basal ganglia do?
A
lowers threshold, selects behavior, smooths behavior
6
Q
How does the direct pathway and indirect pathway counter one another?
A
Direct Pathway facilitates behavior; Indirect Pathway suppresses behavior
7
Q
What structure releases Dopamine?
A
Substantia Nigra Compacta
8
Q
what neurotransmitter do the projection neurons from the basal ganglia release?
A
GABA
