Cerebellum

Question 1

Cerebellum contains

Answer 1

More neurons than cortex

Question 2

Cerebellum receives input from

Answer 2

Every brain area involved in motor control

Question 3

Cerebellum outputs to

Answer 3

most areas that control motor movements

Question 4

Cerebellum influences

Answer 4

1. postural reflexes
2. rapid, skilled, independent multi-muscle movements
3. regulate and modify movements initiated in the cortex
4. important in timing and sequencing movements that occur too rapidly to be adjusted based on sensory feedback

Question 5

Lesions to different areas of the cerebellum produce different symptoms:

Answer 5

1. Rigidity
2. Fragmented, non-smooth movement
3. Impaired timing - ballistic movements
4. Ataxia