Quiz 9: Basal Ganglia

Question 1

List two components of the basal ganglia system

Answer 1

Caudate Nucleus
Putamen
Globus Pallidus
Nucleus Accumbens
Substantia Nigra

Question 2

The basal ganglia are a part of the ______ motor system. Although this motor system is not directly responsible for production of voluntary movement, it is important for __________

Answer 2

Extrapyramidal
Initiation and modulation of movement, and background movement and tone. It influences the main (pyramidal) motor circuit

Question 3

BA 4 gives rise to the _______________ system

Answer 3

Pyramidal

Question 4

List/describe two signs of extrapyramidal damage

Answer 4

Muscle rigidity
Fine tremor at rest
Difficulty with initiation of movement
Dyskinesias
-Brady kinesia – slowed movement
-Tics
-Uncontrollable, involuntary movement
-Paucity of movement

Question 5

Damage to the ____________ causes Parkinson’s disease

Answer 5

Substantia nigra

Question 6

Which component of the Basal Ganglia is located in the midbrain?

Answer 6

substantia nigra

Question 7

What is the most superior part of the Basal Ganglia?

Answer 7

Caudate nucleus