What Is the Cerebellum? Introduction The cerebellum, often called the “little brain,” is one of the four major parts of the human brain. Although it accounts for only about 10% of the brain’s volume, it contains more than half of the brain’s neurons, making it one of the most densely organized structures in the nervous…
What Is the Brainstem? Introduction The brainstem is one of the most essential parts of the human brain. Although it is much smaller than the cerebrum, it performs many of the body’s most fundamental functions. Every breath you take, every heartbeat, and your ability to remain awake depend on the brainstem. The brainstem serves as…
What Is the Diencephalon? Introduction Deep within the center of the brain lies a relatively small but critically important region called the diencephalon. Although it occupies far less space than the cerebrum, the diencephalon serves as a central hub that connects many parts of the nervous system. Nearly every sensory signal traveling to the cerebral…
What Is the Cerebrum? Structure and Function Introduction The cerebrum is the largest part of the human brain. It forms the prominent, folded structure visible when the brain is viewed from above or from the side. The cerebrum allows us to perceive the world, produce voluntary movements, use language, form memories, regulate behavior, and perform…
What Are the Major Parts of the Brain? Introduction The human brain is the control center of the nervous system. Every thought, memory, movement, emotion, and sensation depends on billions of neurons communicating through highly organized brain structures. Although the brain appears as a single organ, it is composed of multiple regions with specialized functions….