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Action slips during whole-body vibration.

Kazuma Ishimatsu1, Anders Meland2, Tor Are S Hansen2

  • 1Institute of Aviation Medicine, Norwegian Armed Forces Medical Service, P.O. Box 14, Blindern, 0313 Oslo, Norway; Graduate School of Health Care Sciences, Jikei Institute, 1-2-8 Miyahara, Yodogawa-ku, Osaka 532-0003, Japan.

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Summary

Whole-body vibration (WBV) exposure in helicopters increases action slips, like errors in attention, due to impaired response inhibition. This vibration may lead to more impulsive actions and cognitive errors for aircrew.

Keywords:
Human errorResponse inhibitionSustained attention

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Area of Science:

  • Human Factors
  • Cognitive Psychology
  • Aerospace Medicine

Background:

  • Helicopter aircrew perform complex cognitive tasks under challenging conditions.
  • Whole-body vibration (WBV) is a common environmental factor in helicopter operations.
  • Action slips and lapses can occur during demanding tasks, potentially impacting safety.

Purpose of the Study:

  • To investigate the effect of typical helicopter WBV on the frequency of action slips.
  • To determine if WBV exposure influences response inhibition and impulsivity in an attention task.

Main Methods:

  • Nineteen participants completed the Sustained Attention to Response Task (SART) under two conditions: 17 Hz vertical WBV and no WBV.
  • Action slips were measured by responses to a rare 'no-go' stimulus during the SART.

Main Results:

  • Action slips (responding to the 'no-go' stimulus) were significantly more frequent during WBV exposure.
  • Participants exhibited faster response times in the WBV condition compared to the no-WBV condition.
  • Results indicate WBV impairs response inhibition and promotes impulsive responding.

Conclusions:

  • Whole-body vibration negatively impacts cognitive performance, specifically response inhibition.
  • WBV may increase the likelihood of errors, such as action slips, in helicopter aircrew.
  • Findings suggest that vibration mitigation strategies could improve aircrew cognitive function and safety.