The occurrence of surprise can be attributed to an unforeseen alteration in the chemical makeup of the brain.
Credit: Andriy Onufriyenko/Getty Images A recent study published in the journal Nature suggests that when we experience surprise, our brains are more likely to be attentive. Researchers, from the Massachusetts Institute of Technology, discovered that a hormone called noradrenaline can impact brain activity and behavior in response to unexpected events. Noradrenaline is one of several chemicals...