A common topic discussed particularly in pop-science circles is the idea that left and right hemispheres of the brain are entirely separate entities connected by the great corpus callosum connector. Where the left is logical, precise, calculated and focused on details, the right is creative, emotionally responsive, able to see the bigger picture. A recent podcast I stumbled upon discussed these notions, and although I've done no empirical study of my own to even verify whether such theories are valid, it did make me ponder and analyse my own behaviours.
