Effects of Hypoxia on Cognitive Performance

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

26 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-03-20

Study Completion Date

2024-04-26

Brief Summary

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The goal of this clinical trial is to determine the effects of different hypoxia exposures (FiO2 = 11%, 13%, 15%, and 21%) on cognitive performance in healthy adults. The main questions it aims to answer are:

* What is the best hypoxia exposure to improve reaction time, anticipation, attention and memory tasks?
* Which hypoxia exposure causes the greatest detriments in cognitive function?

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Detailed Description

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Participants will completed four trials in a single-blinded crossover randomised control trial. In the first session, individuals familiarised with the different cognitive tests and hypoxic exposures. In the next four experimental trials (separated by 1 week), participants arrived at the laboratory and rested in a seated for 10 min. The vital signs (i.e., SpO2, HR, blood pressure) and Lake Louise Score were recorded prior to mask placed and start with in one of the four conditions: a) PLA/NOR, b) FiO2=15%, c) FiO2=13% or FiO2=11%. In this hypoxic condition the participant will spend a total of 45 min, of which 30 min was at rest, and the other 15 min was performing the cognitive tasks (i.e., memory test, go/no-go test, eriksen flanker test, anticipation task and reaction time test).

Conditions

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Hypoxia

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

Study Groups

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11% FiO2

Hypoxic exposure: fraction of oxygen inspired (FiO2) = 11% (\~5100 m, \~16735 ft)

Group Type EXPERIMENTAL