TY  - JOUR
PY  - 2022//
TI  - Cognitive performance, fatigue, emotional, and physiological strains in simulated long-duration flight missions
JO  - Military psychology
A1  - Rosa, Eduardo
A1  - Lyskov, Eugene
A1  - Grönkvist, Mikael
A1  - Kölegärd, Roger
A1  - Dahlström, Nicklas
A1  - Knez, Igor
A1  - Ljung, Robert
A1  - Willander, Johan
SP  - 224
EP  - 236
VL  - 34
IS  - 2
N2  - Pilots in long-duration flight missions in single-seat aircraft may be affected by fatigue. This study determined associations between cognitive performance, emotions and physiological activation and deactivation - measured by heart rate variability (HRV) - in a simulated 11-h flight mission in the 39 Gripen aircraft. Twelve participants volunteered for the study. Perceived fatigue was measured by the Samn-Perelli Fatigue Index (SPFI). Cognitive performance was measured by non-executive and executive tasks. Emotions were assessed by the Circumplex Affect Space instrument. HRV was considered in relation to the cognitive tasks in four time points - Hours 3, 5, 7, 9 - and their associations with emotional ratings. <br><br>RESULTS indicated a decrease in performance in the non-executive task after approximately 7 h. This result was correlated with self-reported measures of fatigue. HRV, assessed by indices of parasympathetic modulation, remained unchanged for both non-executive and executive tasks over time (p >.05 for all). Significant correlations were observed between emotions and HRV; with increased boredom, increased passiveness, decreased stimulation, and decreased activeness, HRV indicators increased (p <.05). This suggests that a low self-regulatory effort for maintaining performance in these conditions was prevalent and that pilots could adapt to some degree to the demands and fatigue of long-duration missions.<p />  <p>Language: en</p>
LA  - en
SN  - 0899-5605
UR  - http://dx.doi.org/10.1080/08995605.2021.1989236
ID  - ref1
ER  -