How do the left and right hemispheres differ in role?

The left hemisphere mainly handles language, logic, and analytical thinking, while the right hemisphere focuses on creativity, spatial understanding, and artistic or musical expression. Both sides work together through the corpus callosum, a network of nerve fibers that enables communication between them. Each hemisphere controls the opposite side of the body — the left brain controls the right side, and the right brain controls the left.

Left Hemisphere

• Language: Responsible for speech, comprehension, reading, and writing
• Logic and Analysis: Handles analytical reasoning, abstract thinking, and mathematics
• Motor Skills: Controls movements on the right side of the body and is dominant for hand use in most people

Right Hemisphere

• Creativity and Intuition: Governs artistic talent, imagination, and musical ability
• Spatial Awareness: Processes visual details and spatial relationships
• Other Functions: Manages emotional understanding, image processing, and intuitive thinking
• Motor Skills: Controls movements on the left side of the body

Important Points to Remember

• Teamwork, not separation: Both hemispheres work together for nearly all tasks. No one "uses only one side" of their brain.
• No true “left-brained” or “right-brained” people: The idea that one side dominates personality or intelligence is a myth. Everyone uses both sides equally.
• Constant Communication: The corpus callosum ensures both hemispheres coordinate effectively.
• Adaptability: Thanks to neuroplasticity, the brain can reorganize and shift functions if one hemisphere is damaged.