“The corpus callosum is usually severed in order to stop epileptic seizures. Once the corpus callosum is cut, the brain has much more difficulty sending messages between the hemispheres. Although the corpus callosum is the largest white matter tract connecting the hemispheres, some limited interhemispheric communication is still possible…” Keep away from the enemy mine by moving your split heart halves. Bounce them off the walls to earn points. Move using sdfg for the left half, and hjkl for the right half.