When the Eyes Move, the Eardrums Move Too

Simply moving the eyes triggers the eardrums to move too, says a new study by Duke University neuroscientists. The researchers found that keeping the head still but shifting the eyes to one side or the other sparks vibrations in the eardrums, even in the absence of any sounds.

Why bad sleep doesn’t always lead to depression

Brain’s reward center activity may protect against negative mental health effects. Poor sleep is both a risk factor, and a common symptom, of depression. But not everyone who tosses and turns at night becomes depressed. Individuals whose brains are more attuned to rewards may be protected from the negative mental health effects of poor sleep, says a new study by Duke University neuroscientists.