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To observe the nature by the window can be soothing for a stressed person. But to look at the same stage on a plasma screen the East him as much? "Not more that to look at a wall," some researchers affirm américains1.

They led an experience by 90 students of the university of Washington who have been submitted to a minor stress in a context of office work.

According to the results, the topics that watched by the window recovered a normal rhythm more quickly cardiaque2, compared to those contemplated that a white wall. And plasma screen did not have a better effect on the reduction of the rhythm of the heart that the wall of an office.

The participants to the survey, aged of 18 years to 34 years, had to sit down to an office and do four mental tasks. A minor stress was provoked by the explanation of the tasks to accomplish before every session.

The third of the participants was seated to offices placed before a window with view on a fountain and trees. The second third of the students was installed before a plasma screen to high definition, of identical size to the window and showing the same stage outside in real time. The last 30 participants were seated in front of a wall.

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