The divided brain: How the left and right hemispheres shape our perceptions


The human brain is often thought of as the body's super-computer, controlling our perception of the world and our actions within it. Why, then, are our brains separated into two distinct hemispheres, ultimately taking up more energy than seems necessary? And how do the two sides work together to inform our perception of the world? We speak to neuropsychologist and author Iain McGilchrist about our divided brains.