Listening to Your Pulse

An interesting new study looks at how being able to count your own heartbeats - the most elemental form of biofeedback - correlates with better decision-making, at least when playing the Iowa Gambling Task. Here's Kevin Lewis in the Boston Globe Ideas section:

A team of psychologists in Germany asked people to count their own heartbeats (without taking a pulse) and then asked them to play a computer gambling game, which required choosing repeatedly among four card decks that yielded...