The cerebrum, cerebellum and brainstem are three major divisions of the human brain.
How It Works
The cerebrum supports voluntary movement, sensory processing, language, memory, attention and cognition. Its hemispheres communicate through major fiber pathways.
Key Facts
The cerebellum coordinates movement, balance, timing and motor learning. The brainstem carries pathways between the brain and spinal cord and contains systems involved in breathing, cardiovascular regulation, arousal and reflexes.
Why It Matters
Walking, speaking and maintaining posture require cooperation among all three divisions, showing why brain function is fundamentally networked.
Quick Answer
This topic is best understood as part of an interconnected nervous system. Current neuroscience supports specialized functions but also emphasizes communication among distributed brain networks.
FAQs
Is the brain made of independent parts?
No. Different regions have specialized roles, but complex functions normally depend on coordinated networks.
Can brain function change?
Yes. Development, learning, experience and some forms of injury can produce changes in neural circuits through neuroplasticity.
Sources
NCBI Bookshelf · NIH NICHD Neuroscience · BrainFacts
Brain Science Video
Watch a BrainFacts overview of human brain anatomy and neuroscience:
Further Reading
BrainFacts.org provides editorially independent brain and nervous-system information from the Society for Neuroscience.
BrainFactsBrain Science Video
Watch a BrainFacts overview of human brain anatomy and neuroscience.







