Passive training virtually can reduce psychosocial stress and anxiety

[A new, important and all-too-timely benefit of the presence evoked by passive viewing of virtual exercise from the first-person perspective has been found in a study from Tohoku University. For more details see the published study. –Matthew]

[Image: Figure 2 from the new study: Participants and the virtual bodies in the virtual scenario: (A,D) male and female participants sitting, wearing the visor and looking in the direction that was coherent with their group assignment in order to see the avatar (the male is looking down, towards himself; the female is looking to her left side), respectively; (B) (static phase) and (C) (dynamic phase) the male virtual body displayed from 1PP; (E) (static phase) and (F) (dynamic phase) the female virtual body displayed from 3PP.]

Training Virtually Can Reduce Psychosocial Stress and Anxiety

June 17, 2022

Previous research has described how virtual training produces acute cognitive and neural benefits. Building on those results, a new study suggests that a similar virtual training can also reduce psychosocial stress and anxiety.

Researchers from Tohoku University’s Smart-Aging Research Center (IDAC) published their findings in the International Journal of Environmental Research and Public Health on May 23, 2022.

Physical exercise benefits our overall well-being. But for some – such as neurological patients, people suffering from cardiovascular disease, and hospitalized patients – physical exercise is not feasible, or even too dangerous. However, similar effects may be brought about using Immersive Virtual Reality (IVR).

Despite being initially designed for entertainment, IVR has attracted interest from the academic community because of its potential use for clinical purposes, since it allows the user to experience a virtual world through a virtual body.

In the researchers’ previous study, they found that looking at a moving virtual body displayed in first-person perspective induces physiological changes. Heart rates increased/decreased coherently with the virtual movements, even though the young participants remained still. Consequently, acute cognitive and neural benefits occurred, just like after real physical activity.

In a followup study, the same benefits were also found on healthy elderly subjects after 20-minute sessions occurring twice a week for six weeks.

In the current study, the researchers explored the effect on stress, adding another level to the beneficial effects of virtual training. Young healthy subjects, while sitting still, experienced a virtual training displayed from the first-person perspective, creating the illusion of ownership over movements.

The avatar ran at 6.4 km/h for 30 minutes. Before and after the virtual training, the researchers induced and assessed the psychosocial stress response by measuring the salivary alpha-amylase – a crucial biomarker indicating the levels of neuroendocrine stress. Similarly, they distributed a subjective questionnaire for anxiety.

The results showed a decreased psychosocial stress response and lower levels of anxiety after the virtual training, comparable to what happens after real exercise.

“Psychosocial stress represents the stress experienced in frequent social situations such as social judgment, rejection, and when our performances get evaluated,” says Professor Dalila Burin, who developed the study. “While a moderate amount of exposure to stress might be beneficial, repeated and increased exposure can be detrimental to our health. This kind of virtual training represents a new frontier, especially in countries like Japan, where high performance demands and an aging population exist.”

Publication Details:

Title: Neuroendocrine Response and State Anxiety Due to Psychosocial Stress Decrease after a Training with Subject’s Own (but Not Another) Virtual Body: An RCT Study
Authors: Dalila Burin, Gabriele Cavanna, Daniela Rabellino, Yuka Kotozaki, Ryuta Kawashima
Journal: International Journal of Environmental Research and Public Health
DOI: 10.3390/ijerph19106340

Contact:

Dalila Burin (profile)
Smart-Aging Research Center (SARC) & Institute of Development, Aging and Cancer (IDAC)
Email: burin.dalila.c3@tohoku.ac.jp
Website: https://www.idac.tohoku.ac.jp/site/

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