Basal Ganglia 1&2

Question 1

What are the components of the Basal Ganglia?

Answer 1

Caudate, Putamen, Globus Pallidus, Subthalamic Nucleus,Substantia Nigra

Question 2

Which components of the Basal Ganglia are referred to as the Striatum?

Answer 2

Caudate and Putamen

Question 3

Which components are referred to as the Lenticular Nucleus?

Answer 3

Putamen and Globus Pallidus

Question 4

How does information flow through the basal ganglia?

Answer 4

From Cerebral Cortex, Striatum, Output Nuclei to the Thalamus.

Question 5

Describe what causes the symptoms of Parkinson’s Disease.

Answer 5

Neurons from the Substantia Nigra don’t release enough dopamine. Can be caused via trauma, drug use, manganese poisoning.

Question 6

What are the signs of Parkinson’s?

Answer 6

Resting Tremor, Cogwheel rigidity, postural instability.

Question 7

What is the cause of Huntington’s Disease?

Answer 7

Autosomal Dominant disorder, begins at 45. Degeneration of striatum neurons.