Cerebellum

Definition

The cerebellum is a major structure of the brain located at the back of the skull, responsible for coordinating voluntary movements and maintaining balance and posture. It also plays a role in motor learning and cognitive functions such as attention and language.

5 Must Know Facts For Your Next Test

1. The cerebellum contains more neurons than the rest of the brain combined.
2. It has two hemispheres connected by a structure called the vermis.
3. Damage to the cerebellum can lead to ataxia, which affects coordination and balance.
4. The cerebellum receives sensory input from the spinal cord and other parts of the brain.
5. It also helps fine-tune motor activities initiated by other regions of the brain.

Review Questions

Related terms

Cerebrum: The largest part of the brain, responsible for higher brain functions such as thought and action.

Brainstem: The part of the brain that connects it to the spinal cord and controls basic life functions like heart rate and breathing.

Ataxia: A neurological condition characterized by lack of muscle coordination, often resulting from damage to the cerebellum.