Brain

The brain is composed of three parts: the brainstem, cerebellum, and cerebrum. The cerebrum is divided into four lobes: frontal, parietal, temporal, and occipital. The cerebrum is the largest part of the brain and is composed of right and left hemispheres. ... The brainstem includes the midbrain, pons, and medulla.

Structural and functional areas of the human brain

Human brain bisected in the sagittal plane, showing the white matter of the corpus callosum

Functional areas of the human brain. Dashed areas shown are commonly left hemisphere dominant