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BEGIN:VEVENT
DTSTAMP:20251016T135137Z
LOCATION:Grand Hall L
DTSTART;TZID=America/Chicago:20251016T093000
DTEND;TZID=America/Chicago:20251016T095000
UID:HFESAM_ASPIRE 2025_sess231_LECT189@linklings.com
SUMMARY:CANCELED - Biomathematical Modeling of Fatigue and Cognitive Perfo
 rmance
DESCRIPTION:Bella Veksler (TiER1 Performance); Megan Morris (U.S. Air Forc
 e Research Laboratory); Garrett Swan (Aptima, Inc.); Arielle Stephenson (B
 AE Systems Inc.); and Jessica Tuttle (University of Dayton Research Instit
 ute)\n\nCognitive fatigue is a prevalent factor in military communities, r
 esulting in performance degradations and contributing to costly mishaps.  
 It is critical that organizations can predict fatigue effects of cognitive
  processes in order to implement countermeasures to allay fatigue.  Biomat
 hematical models are one means to objectively predict fatigue effects.  Th
 is effort focuses on examining the relationship between biomathematical mo
 del predictions and performance on different cognitive tasks during an ope
 rationally relevant 24-hr simulated mobility mission.  Thirty-nine mobilit
 y pilots wore an actigraph watch while self-reporting sleep, and completed
  several bouts of psychomotor vigilance, working memory, and executive fun
 ctioning tasks throughout the mission simulation.  Pilots’ sleep data was 
 processed through the Sleep, Activity, Fatigue, and Task Effectiveness (SA
 FTE) biomathematical fatigue model and corresponding performance effective
 ness values were extracted for each bout and each task.  We examined the p
 ercentage of pilots who had significant correlations between their perform
 ance effectiveness values and the corresponding task dependent measures.  
 We found that for certain participants, biomathematical predictions of fat
 igue were highly correlated with performance on the psychomotor vigilance 
 task, particularly if the range of effectiveness values varied for that pa
 rticipant.  Correlations with other tasks were not as profound, suggesting
  psychomotor vigilance performance is more sensitive to fatigue.\n\nTrack:
  Human Performance Modeling\n\nSession Chairs: Ji-Eun Kim (University of W
 ashington) and Yutong Zhang (University of Pittsburgh)\n\n
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