Story Source: “Both the use of savoring — purposely noticing, appreciating, and/or intensifying positive experiences and emotions — and reappraisal — changing the way one thinks about a situation — decreased during later mission months compared to baseline. These changes likely help explain observed declines in positive emotions over time,” said Alfano. Materials provided by University of Houston. Original written by Laurie Fickman. Note: Content may be edited for style and length.
At coastal and inland Antarctic stations, Alfano and her team tracked mental health symptoms across a nine-month period, including the harshest winter months, using the MHCL. A monthly assessment battery also examined changes in physical complaints, biomarkers of stress such as cortisol, and the use of different emotion regulation strategies for increasing or decreasing certain emotions. Negative emotions also increased across the study, but changes were more variable and predicted by physical complaints. Collectively, these results might suggest that while changes in negative emotions are shaped by an interaction of individual, interpersonal and situational factors, declines in positive emotions are a more universal experience in ICE environments. “Interventions and counter measures aimed at enhancing positive emotions may, therefore, be critical in reducing psychological risk in extreme settings,” said Alfano.
Study results also revealed that participants tended to use fewer effective strategies for regulating (i.e., increasing) their positive emotions as their time at the stations increased. “We observed significant changes in psychological functioning, but patterns of change for specific aspects of mental health differed. The most marked alterations were observed for positive emotions such that we saw continuous declines from the start to the end of the mission, without evidence of a ‘bounce-back effect’ as participants were preparing to return home,” reports Alfano. “Previous research both in space and in polar environments has focused almost exclusively on negative emotional states including anxiety and depressive symptoms. But positive emotions such as satisfaction, enthusiasm and awe are essential features for thriving in high-pressure settings.”
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