Analysis of archival data from adults exposed to the 2016 Baton Rouge flooding found that age, trait resilience, and hope were associated with self-reported functional impairment, with outcomes compared across degrees of flood exposure. Psychological resources shaped how well individuals maintained daily functioning after a severe environmental stressor, independent of the exposure itself. The findings position measurable psychological capacities as modifiable contributors to functional preservation in later life.
Key Points
- Resilience and hope predicted self-reported daily functional impairment after flooding
- Flood exposure severity alone did not determine functional outcomes
- Age interacted with psychological resources in shaping post-disaster functioning
Longevity Analysis
Functional capacity in later life depends not only on the magnitude of a stressor but on the internal resources available when it arrives. Hope and resilience are trainable states that modulate how the stress response resolves, and an unresolved stress response degrades sleep, movement, and repair capacity over months to years — the same pathways that drive functional decline. Assessing these psychological capacities before a crisis, and building them deliberately, is as consequential to sustained independence as any physical intervention.
Original published by SAGE Research on Aging, by Katie E. Cherry, Matthew R. Calamia, Emily M. Elliott, Piper J. Bordes, Laura Sampson, Sandro Galea1Department of Psychology, 5779Louisiana State University, Baton Rouge, LA, USA2Department of Family, Population, & Preventive Medicine, 12301Stony Brook University, Stony Brook, MO, USA3School of Public Health, 7548Washington University in St Louis, St Louis, MO, USA.

