Silence, Please

“Silence, Please” is one of the most popular themes used by to attract tourists. It seems some people crave silence. But what is silence? Is it just the absence of sound? Or is it something tangible in its own right? It turns out teams of scientists have been trying to address this question in the ways that scientists often do: they have looked at patterns of brain activity to determine how brains differentiate silence from louder alternatives. “This is Your Brain on Silence” by Daniel Gross (Nautilus, 7 July 2016) reports on some of this research. Be prepared for surprises.