The Limitations of Our Brains

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The human mind is a machine for jumping to conclusions, says Daniel Conoman. We're quite good at finding the flaws in other people's arguments, but we can be very blind to our own Argumentation professor Dan sperbery tells CNN about his work with cognitive scientists hugo mercier and dance berber. The way to get around the way that our faculty of reasoning has evolved is use it in the context in which it originally was intended, he says.

Modern life has not been easy on our brains. Average IQ scores rose steadily throughout the last century. Now they appear to be leveling off. The problem, according to neuroscientists, may be that we have reached our neurobiological limits. Our brains simply can’t work any harder. Luckily, science writer Annie Murphy Paul has a solution. In her bold new book, “The Extended Mind: The Power of Thinking Outside the Brain,” she draws on a wealth of scientific research to show that we’re smarter when we get out of our heads. By offloading our memories onto our phones, making decisions based on our bodily sensations, using tactile tools to solve abstract problems, drawing inspiration from our surroundings, and arguing with our friends, we can access intelligence that exists beyond the confines of our craniums. In this episode, Annie explains how to do it.