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Work capability during isolation
V I Gushin1, V A Efimov, T M Smirnova
1Institute for Biomedical Problems, Moscow, Russia.
Advances in Space Biology and Medicine
|January 1, 1996
Summary
Prolonged isolation impacts cognitive functions, showing increased instability in working memory and attention. Performance varied across adaptation phases, with gender differences noted in specific cognitive tasks.
Area of Science:
- Psychology
- Human Physiology
- Space Medicine
Background:
- Previous studies suggest prolonged isolation negatively affects cognitive functions.
- The ISEMSI isolation experiment provided preliminary data on these effects.
- Understanding isolation's impact is crucial for long-duration space missions.
Purpose of the Study:
- To investigate the effects of prolonged isolation on higher psychic functions.
- To assess changes in sensory-motor skills and stress resistance during isolation.
- To analyze adaptation patterns and gender-specific responses to isolation.
Main Methods:
- A computer-based psychological test battery was administered daily to isolated and control groups.
- Performance was analyzed considering isolation effects, learning, motivation, and score stability.
- Three adaptation periods were identified: acute, stable, and final effort.
Main Results:
- Isolation caused minor changes in absolute cognitive scores but increased score instability.
- Working memory, attention concentration, and calculation under time deficit showed greater score ranges.
- Females outperformed males in attention, spatial orientation, intuition, and logical decision-making; males excelled in calculation and working memory.
Conclusions:
- Prolonged isolation leads to increased cognitive instability, particularly in attention and working memory.
- Adaptation to isolation occurs in distinct phases, influencing performance over time.
- Gender-based cognitive differences persist and are observable under isolation conditions.