Oct 01, 2014 04:18 PM EDT By Staff Reporter, UniversityHerald Reporter

Keeping your "eye on the prize" could help with exercise, according to a recent study,

Researchers from New York University found that when walking, staying focused on a specific target ahead can make the distance to it appear shorter and help people walk there faster. The study compares the technique to walking while looking around the environment naturally.

"People are less interested in exercise if physical activity seems daunting, which can happen when distances to be walked appear quite long," said New York University's Emily Balcetis, an assistant professor in the Department of Psychology and one of the study's co-authors. "These findings indicate that narrowly focusing visual attention on a specific target, like a building a few blocks ahead, rather than looking around your surroundings, makes that distance appear shorter, helps you walk faster, and also makes exercising seem easier."

For the study, researchers conducted two experiments.

In the first, the study's subjects -- 66 adults visiting a New York City park in the summer -- stood 12 feet away from an open cooler, which contained cold beverages and ice. The experimenter explained to participants that they would estimate the distance to the cooler.

One set of subjects was randomly assigned to a narrowed attention condition in which they imagined that a spotlight was shining only on the cooler. They learned that to be effective at estimating distance, they should direct and focus their attention on the cooler and avoid looking around the environment. The second set of subjects was assigned to the natural attention condition and was instructed to allow their attention to move naturally and in whatever way they found to be most helpful for estimating distance.

Subjects who focused their attention only on the cooler perceived the cooler as closer than did those in the natural attention group.

In a second experiment, the researchers used this intervention to change perceptions of distance and improve the quality of exercise. Here, 73 participants walked 20 feet in a gymnasium while wearing ankle weights that added 15 percent to their body weight, thus making the task more challenging than unfettered walking.

As in the first experiment, one set of participants received the narrowed attention instructions (they were asked to focus on a traffic cone marking a finish line) and the other set received the natural attention condition (they were told to glance at the cone as well as look at their surroundings). Each group then completed the walking test while being timed by the experimenters.

The researchers found that attentional narrowing changed perceptions of distance, speed of walking, and perceived effort.

Those in the narrowed attention group perceived the cones to be 28 percent closer than did those in the natural condition group. In addition, those in the narrowed attention group walked 23 percent faster than did those in the natural attention group. Finally, those in the narrowed attention group reported that the walk required less physical exertion than did those in the natural condition group-a finding that may serve as an incentive to exercise.

"Physical activity is an important component of a healthy lifestyle," said researcher Shana Cole. "Interventions that train people to keep their 'eyes on the prize' may play an important role in health and fitness. When goals appear within reach, and when people move faster and experience exercise as easier, they may be especially motivated to continue exercising."

The findings were published in the journal Motivation and Emotion.

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