?

Neuroscience

Free Version

Upgrade subject to access all content

Difficult

Motor Skill Learning and Diseases

NEURO-1MH5M2

In the “Motor Loop” question, we learned about the basal-ganglia-related brain circuits that underlie complex motor learning. When these brain areas are damaged, diseases with motor skill deficits will occur.

Which of the following statement is CORRECT?

A

Huntington’s disease is caused by the atrophy of the caudate and putamen.

B

Huntington’s disease is caused by the damage in the substantia nigra.

C

Parkinson’s disease is caused by the loss of cholinergic neurons in the substantia nigra.

D

Parkinson’s disease is caused by a ​stroke in the motor cortex.