Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Cognitive performance during a heat acclimatization regimen.

M D Curley, R N Hawkins

    Aviation, Space, and Environmental Medicine
    |August 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Recreational scuba divers' aversion to low-frequency underwater sound.

    Undersea & hyperbaric medicine : journal of the Undersea and Hyperbaric Medical Society, Inc·2001
    Same author

    Treatment of type I decompression sickness using the U.S. Navy treatment algorithm.

    Undersea biomedical research·1989
    Same author

    Postradiation cardiovascular dysfunction.

    Fundamental and applied toxicology : official journal of the Society of Toxicology·1988
    Same author

    Neuropsychologic assessment of cerebral decompression sickness and gas embolism.

    Undersea biomedical research·1988
    Same author

    U.S. Navy saturation diving and diver neuropsychologic status.

    Undersea biomedical research·1988
    Same author

    Visual reaction time performance preceding CNS oxygen toxicity.

    Undersea biomedical research·1987
    Same journal

    Goodbye to ASEM.

    Aviation, space, and environmental medicine·2014
    Same journal

    AsMA - a worldwide organization.

    Aviation, space, and environmental medicine·2014
    Same journal

    This month in aerospace medicine history.

    Aviation, space, and environmental medicine·2014
    Same journal

    You're the flight surgeon: hypogonadism.

    Aviation, space, and environmental medicine·2014
    Same journal

    You're the flight surgeon: fatigue.

    Aviation, space, and environmental medicine·2014
    Same journal

    Manned-unmanned teaming: expanding the envelope of UAS operational employment.

    Aviation, space, and environmental medicine·2014
    See all related articles

    Cognitive performance, including learning new tasks and time estimation, was studied in Marines during heat acclimatization. Even after 10 days, learning new behaviors remained difficult in hot environments.

    Area of Science:

    • Environmental Physiology
    • Cognitive Science
    • Human Performance

    Background:

    • Heat acclimatization is crucial for military personnel operating in hot climates.
    • Understanding cognitive function during heat exposure is vital for maintaining operational effectiveness.
    • Previous research indicates heat can impair cognitive abilities, but specific task demands require further investigation.

    Purpose of the Study:

    • To assess the impact of a 10-day heat acclimatization regimen on cognitive performance in male Marines.
    • To investigate changes in time estimation and repeated acquisition task performance during heat exposure.
    • To determine if heat acclimatization mitigates cognitive decrements associated with hot environments.

    Main Methods:

    • Six male Marines underwent a 10-day heat acclimatization regimen involving controlled treadmill exercise in a heat chamber (33.3°C dry bulb, 29.4°C wet bulb).

    Related Experiment Videos

  • Cognitive performance was evaluated daily using repeated acquisition and time estimation tasks.
  • Pre-acclimatization baseline performance at moderate temperatures was recorded for comparison.

    • Main Results:

    • On day 1 of heat exposure, time estimates decreased and repeated acquisition performance showed slight decrements compared to baseline.
    • By day 10, subjects showed significant heat acclimatization.
    • Despite acclimatization, repeated acquisition task performance remained impaired, and time estimates were higher than on day 1 of heat exposure.

    Conclusions:

    • Tasks requiring the acquisition of new behaviors are challenging in hot environments, even with partial heat acclimatization.
    • Heat exposure can impair cognitive functions related to learning and temporal perception.
    • Further research is needed to understand the limits of cognitive adaptation to heat stress.