1b Basal Ganglia

Question 1

What does the basal ganglia do with ideas sent to it from the cortex?

Answer 1

involved in sequencing and planning movement; lowers threshold for behavior, facilitates and smoothes behavior

Question 2

What does the Substantia Nigra Pars Compacta release?

Answer 2

dopamine

Question 3

What does the Substantia Nigra Pars Reticulata release?

Answer 3

GABA

Question 4

What system is the Nucleus Accumbens a part of?

Answer 4

limbic system (pleasure + reward)

Question 5

What is another name for the Nucleus Accumbens

Answer 5

Ventral Striatum

Question 6

What does the Subthalamic Nucleus release?

Answer 6

Glutamate

Question 7

What two axon bundles from the Thalamic Fasciculus?

Answer 7

Ansa Lenticularis, Lenticular Fasciculus

Question 8

What is the Thalamic Fasciculus?

Answer 8

connects globus pallidus to Ventral Lateral Nucleus of Thalamus

Question 9

What two structures does the Substantia Nigra sit between?

Answer 9

Red Nucleus (above), cerebral peduncles (below)

Question 10

What is the dorsal portion of the Substantia Nigra?

Answer 10

Pars Compacta

Question 11

What is the ventral portion of the Substantia Nigra?

Answer 11

Pars Reticulata