Keyboard and mouse are the best indicators of stress. Free Technical Library News

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Keyboard and mouse are the best indicators of stress

21.04.2023

Scientists at the Swiss Federal Institute of Technology in Zurich (ETHZ) have conducted a new large-scale study, the results of which show that exactly how we interact with the keyboard and mouse can tell a lot about our stress levels. Moreover, the researchers believe that this method is even more effective than tracking heart rate.

At the first stage, scientists conducted a study in which 90 people took part. They were asked to perform simple office tasks such as scheduling appointments, recording data, and doing data analysis. The participants were also divided into two groups - some worked unhindered, while others were distracted by chat messages or asked to interrupt for meetings.

During the study, the scientists also observed the behavior of the recipients - recorded their interaction with the mouse and keyboard, tracked their heart rate, and also asked how tense they were.

The scientists later used the data and machine learning to develop a new model for measuring job stress based on how people type and interact with the mouse. According to study author and mathematician Mar Neguelin, he and his colleagues found that the way we type and move the mouse can actually be an effective indicator of work stress levels, even better than heart rate.

The results of the study indicate that people suffering from chronic stress, as a rule, move the mouse pointer more often and less accurately; cover large distances on the screen with the mouse pointer; errors are more often made when typing; write in fragments with many short pauses. At the same time, calmer people also make pauses in typing, but there are much fewer of them, and the pauses in typing themselves are longer and more thoughtful.

According to study co-author, psychologist Jasmine Kerr, this relationship between stress levels, keyboard and mouse can be explained using the so-called neuromotor noise theory. The fact is that high levels of stress have a negative impact on our brain's ability to process information, as well as our motor skills.

Researchers now estimate that one in three workers in Switzerland suffers from workplace stress, so effective ways to detect increased stress need to be developed. Scientists note that usually a tired person cannot understand that his resources, both physical and mental, are being depleted until it is too late.

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