Our mood can affect how we walk — slump-shouldered if we’re sad, bouncing along if we’re happy. Now researchers have shown it works the other way too — making people imitate a happy or sad way of walking actually affects their mood.
He and his colleagues showed subjects a list of positive and negative words, such as “pretty,” “afraid” and “anxious” and then asked them to walk on a treadmill while they measured their gait and posture. A screen showed the subjects a gauge that moved left or right depending on whether their walking style was more depressed or happier. But the subjects didn’t know what the gauge was measuring. Researchers told some subjects to try and move the gauge left, while others were told to move it right.
“They would learn very quickly to walk the way we wanted them to walk,” Troje says.
Afterward, the subjects had to write down as many words as they could remember from the earlier list of positive and negative words. Those who had been walking in a depressed style remembered many more negative words. The difference in recall suggests that the depressed walking style actually created a more depressed mood.
The study builds on our understanding of how mood can affect memory. Clinically depressed patients are known to remember negative events, particularly those about themselves, much more than positive life events, Troje says. And remembering the bad makes them feel even worse.