Brief cold exposure slowed attention in a small laboratory trial
Volunteers showed slower responses and more attention lapses in the coldest condition, despite suitable clothing and no detected difference in core temperature.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Brief exposure to the coldest environment slowed responses and increased attention lapses, even in volunteers wearing suitable clothing. Participants also took fewer risks on a decision-making task. Core temperature did not differ across conditions, and no sex difference in cognitive performance was detected. These results concern immediate laboratory performance, with uncertain implications for everyday tasks.
The trial involved a small healthy volunteer sample and brief chamber exposures. The abstract does not quantify the cognitive changes, so their practical size and persistence remain unclear.
What researchers found
Attention during cold exposure
Assessed during 15-minute exposures comparing -10 °C with 5 °C and 20 °C; the abstract attributes poorer attention to the coldest condition without reporting effect sizes or pairwise estimates.
A controlled comparison
Each volunteer took part in the temperature conditions under controlled chamber conditions. Tests examined attention and risk-taking while researchers monitored body temperatures and collected ratings of cold, comfort and stress.
Interpreting the decision task
Reduced risk-taking describes a change on a decision task; it does not by itself establish better or worse real-world choices. The authors suggest distraction as an explanation for the attention changes.
The original publication
Cold stress impacts cognitive performance in healthy volunteers: results from a randomized, controlled, cross-over study.
Falla M, Masè M, Dal Cappello T et al.
Sci Rep · 2026
- PubMed ID
- 41634322
- Record checked
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