Clinical Research Directory

The Effect of Water Temperature on Heart Rate Variability and Cognition

Sponsor: Arizona State University

Summary

Heart rate variability (HRV) is a key indicator of fitness, and stress resilience. Previous research has shown that HRV decreases under mental workload, including during tasks that require strict attention. Studies also show that temperature exposure affects attention: cold increases the stress response while warm water has a calming effect. Very few studies combine thermal exposure with cognitive testing, and no controlled trials have investigated whether water temperature modulates HRV responses specifically during cognitive demand.

Official title: Effects of Water Temperature on Heart Rate Variability During Cognitive Testing in Healthy Adult Women: A Randomized Crossover Trial

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