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The Effect of Water Temperature on Heart Rate Variability and Cognition

NCT07654270 · Status: NOT_YET_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 30

Last updated 2026-06-17

No results posted yet for this study

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.

Conditions

  • Mental Acuity

Interventions

OTHER

water

water temperature

Sponsors & Collaborators

  • Arizona State University

    lead OTHER

Principal Investigators

  • Carol Johnston · Arizona State University

Study Design

Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
NONE
Model
CROSSOVER

Eligibility

Min Age
18 Years
Max Age
30 Years
Sex
FEMALE
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2026-07-13
Primary Completion
2026-12-15
Completion
2027-06-15

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07654270 on ClinicalTrials.gov