Rounded substructures within a larger organ. The brain, for example, contains four major lobes — the frontal, parietal, temporal, and occipital.
The four areas of the brain that are demarcated by major fissures (grooves in the surface of the brain). The occipital lobes, located in the back of the brain, are primarily responsible for vision. The frontal lobes are involved in movement, complex judgment, emotional regulation, problem solving, decisions, planning, and creativity. The parietal lobes, in the upper left and right sides of the brain, are involved in higher sensory-motor coordination and language functions. Temporal lobes located above and behind the ears on the left and right sides of the brain are involved in memory, hearing, language, and emotion.