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Objectives <p>Inertial measurement units (IMUs) are small wearable motion capture devices that incorporate accelerometers, gyroscopes, and magnetometers to record movement. This exploratory study aimed to compare frequency data collected by wearable IMU technology with data collected by human observers. This study had the following research questions: (1) How does frequency data collected by wearable IMU technology compare to data collected by human observers? (2) Is it feasible to use IMUs to measure the intensity/force of dangerous behavior?</p> Methods <p>In phase 1, researchers collected data simultaneously through IMU sensors and human observation during functional analysis and compared interobserver agreement (IOA) across the two sources. In phase 2, IMU sensors were tested with neurotypical children simulating dangerous behavior to examine feasibility of measuring intensity (force).</p> Results <p>IMU sensors demonstrated strong IOA with human observation of behavior frequency during a functional analysis for a child with autism. Next, IMU sensors successfully detected and measured simulated dangerous behaviors in 13 neurotypical children.</p> Conclusions <p>IMU sensors show promise as a feasible and objective tool for measuring the frequency and force of dangerous behaviors, demonstrating strong agreement with human observation.</p>

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Using Wearable Sensors to Measure Frequency and Force of Dangerous Behaviors: An Exploratory Study of Feasibility

  • 期刊论文

  • 发表日期：

    2025年3月25日

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  • Leslie Neely,
  • Katherine Holloway,
  • Melissa Svoboda,
  • Jessica Graber,
  • Jordan Wimberley,
  • Sakiko Oyama

摘要

Objectives

Inertial measurement units (IMUs) are small wearable motion capture devices that incorporate accelerometers, gyroscopes, and magnetometers to record movement. This exploratory study aimed to compare frequency data collected by wearable IMU technology with data collected by human observers. This study had the following research questions: (1) How does frequency data collected by wearable IMU technology compare to data collected by human observers? (2) Is it feasible to use IMUs to measure the intensity/force of dangerous behavior?

Methods

In phase 1, researchers collected data simultaneously through IMU sensors and human observation during functional analysis and compared interobserver agreement (IOA) across the two sources. In phase 2, IMU sensors were tested with neurotypical children simulating dangerous behavior to examine feasibility of measuring intensity (force).

Results

IMU sensors demonstrated strong IOA with human observation of behavior frequency during a functional analysis for a child with autism. Next, IMU sensors successfully detected and measured simulated dangerous behaviors in 13 neurotypical children.

Conclusions

IMU sensors show promise as a feasible and objective tool for measuring the frequency and force of dangerous behaviors, demonstrating strong agreement with human observation.