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Human Factor Effects of Simulating Battlefield Malodors in Field Training
Title
Human Factor Effects of Simulating Battlefield Malodors in Field Training.
Creator
Pike, William, Proctor, Michael, Shumaker, Randall, Sims, Valerie, Ness, James, Burgess, Deborah, University of Central Florida
Abstract / Description
In order to explore how to better utilize simulated odors for live training, a study of 180 United States Military Academy at West Point cadets was undertaken to determine whether pre-exposure to a simulated malodor may result in an amelioration of performance issues, as well as improving performance of a complex task. Exposure to malodors has long been shown to increase stress and escape behavior, and reduce performance of complex tasks, in addition to degrading other human factor areas....
Show moreIn order to explore how to better utilize simulated odors for live training, a study of 180 United States Military Academy at West Point cadets was undertaken to determine whether pre-exposure to a simulated malodor may result in an amelioration of performance issues, as well as improving performance of a complex task. Exposure to malodors has long been shown to increase stress and escape behavior, and reduce performance of complex tasks, in addition to degrading other human factor areas. However, desensitization to a particular odor through a process known as olfactory adaptation, could ameliorate these performance issues. In this study, cadets were assigned to one of three conditions: Adaptation (odor/odor, to denote presence or absence of the simulated malodor in each of two phases), No Adaptation (no odor/odor), or Control (no odor/no odor). Participants wore a device to track electrodermal activity, a predictor of stress. Participants spent 12 minutes in a tent taking a quiz involving a common military task. After two minutes, a scent delivery system was turned on, delivering either the simulated malodor (burnt human flesh) or no odor. Participants exited the tent after the full 12 minutes and rated the air quality of the tent. They repeated the exercise in a second tent, with a similar quiz. Metrics of interest included perceived intensity and detection time, common metrics for gauging olfactory adaption, as well as electrodermal activity, escape behavior, and task performance. Results indicate participants in the Adaptation condition were partially desensitized to the malodor. Performance metrics did not show any statistical significance for stress, escape behavior, or performance improvement for the Adaptation condition, although there was a strong negative correlation of performance and perceived mental demand. Performance improvement and stress results were trending in the expected directions. This study differed from previous work in olfactory adaptation studies by linking adaptation to performance during a relevant complex task, and provides valuable lessons for future olfactory studies. From a more applied viewpoint, this study also provides insight for future research into the incorporation of malodors in live training.
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Date Issued
2018
Identifier
CFE0007357, ucf:52097
Format
Document (PDF)
PURL
http://purl.flvc.org/ucf/fd/CFE0007357
Understanding the Capabilities and Limitations of Advanced Interactive M(&)S: A Cricothyroidotomy Simulation Case Study
Title
Understanding the Capabilities and Limitations of Advanced Interactive M(&)S: A Cricothyroidotomy Simulation Case Study.
Creator
Campbell-Wynn, Lillian, Proctor, Michael, Kincaid, John, Crumpton-Young, Lesia, Liu, Alan, Burgess, Deborah, University of Central Florida
Abstract / Description
Simulation for surgical education and training is increasingly perceived as a valuable contribution to traditional teaching methods providing a structured learning experience. Surgical simulations allow surgeons to practice tactics, techniques and procedures numerous times without the cost, limitations and ethical problems of using cadaver-based models. The goal of this research is to advance the use of modeling and simulation in support of emergency medical training. This research explores...
Show moreSimulation for surgical education and training is increasingly perceived as a valuable contribution to traditional teaching methods providing a structured learning experience. Surgical simulations allow surgeons to practice tactics, techniques and procedures numerous times without the cost, limitations and ethical problems of using cadaver-based models. The goal of this research is to advance the use of modeling and simulation in support of emergency medical training. This research explores questions identified through a case study of two different modeling and simulation techniques (-) virtual reality and mannequins - in the support of combat emergency medical education and training. To reduce the scope to a manageable dissertation, the research focuses on CricSim as representative form of virtual reality simulation and HapMed as a form of mannequin simulation both with haptic-enabled capabilities. To further narrow the scope, the research focuses on training of a medical technique common to both simulation systems, which for this research was the cricothyroidotomy airway management technique. The U.S. Army expressed interest in training of combat medics in the cricothyroidotomy airway management technique and offered to support experimentation with both facilities and trained combat medics as the sample population. An experiment supporting this research took place at Fort Indiantown Gap, a National Guard Training Center located in Annville, Lebanon County, Pennsylvania and is the home of the Medical Battalion Training Site. An advanced airway management course is augmented with combat medics receiving training and evaluation on performing the cricothyroidotomy procedure using CricSim and HapMed with system experts provided by each respective developer. The NASA Task Load survey is used to collect participants' assessment of workload in terms of Mental Demand, Physical Demand, Temporal Demand, Level of Effort, Performance and Level of Frustration based on four primary tasks of the cricothyroidotomy. Additionally, the Technology Acceptance Model survey is used to provide insight into participant's assessment of usability. Professional trainers also provide their assessment of the virtual simulators suitability in support of the combat medics in performing their tasks based on their standards. The results of the participants' assessment of each virtual simulator take the form of a comparison study. To improve the advancement of medical simulation in the training of cricothyroidotomy procedure, a summary of findings, generalized conclusions, lessons learned and recommendations for future research are illuminated. The dissertation team is comprised of medical experts within the U.S. Air Force Education and Training Command, U.S. Army Research and Medical Command, and the Uniformed Services University of the Health Sciences as well as simulation subject matter experts from the University of Central Florida.
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Date Issued
2013
Identifier
CFE0005142, ucf:50705
Format
Document (PDF)
PURL
http://purl.flvc.org/ucf/fd/CFE0005142