Final answer:
The statement is false; it is the longitudinal fissure, not the parieto-occipital fissure, which divides the cerebrum into two hemispheres.
Step-by-step explanation:
The statement that the parieto-occipital fissure divides the cerebrum into two hemispheres is false. The fissure that divides the cerebrum into the left and right hemispheres is called the longitudinal fissure. The corpus callosum is the thick bundle of axons located deep within the brain that serves as the main communication pathway between the two hemispheres. While the parieto-occipital fissure exists, it is instead a landmark on the medial surface of the brain that separates the parietal and occipital lobes, not the two cerebral hemispheres.