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

Short-term catecholamine response to psychological stress

J E Dimsdale, J Moss

    Psychosomatic Medicine
    |September 1, 1980
    PubMed
    Summary

    Investigating stress responses is now possible with new assays. Plasma epinephrine levels during public speaking varied significantly, impacting study conclusions.

    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

    Effects of stress on heart rate complexity--a comparison between short-term and chronic stress.

    Biological psychology·2008
    Same author

    The attenuating effect of personal mastery on the relations between stress and Alzheimer caregiver health: a five-year longitudinal analysis.

    Aging & mental health·2007
    Same author

    Pain in the aftermath of trauma is a risk factor for post-traumatic stress disorder.

    Psychological medicine·2007
    Same author

    Severe irritability associated with statin cholesterol-lowering drugs.

    QJM : monthly journal of the Association of Physicians·2004
    Same author

    Taking fatigue seriously: I. Variations in fatigue sampled repeatedly in healthy controls.

    Journal of medical engineering & technology·2003
    Same author

    Association between polysomnographic sleep measures and health-related quality of life in obstructive sleep apnea.

    Journal of sleep research·2002

    Area of Science:

    • Physiology
    • Endocrinology
    • Psychoneuroendocrinology

    Background:

    • Advancements in radioenzymatic assays and portable blood withdrawal pumps enable real-time stress response studies.
    • The short half-life of plasma catecholamines necessitates precise blood sampling techniques during stress events.

    Purpose of the Study:

    • To investigate the physiological stress response using advanced catecholamine measurement techniques.
    • To demonstrate the importance of consistent blood sampling relative to stressor exposure.

    Main Methods:

    • Utilized radioenzymatic assays for plasma catecholamine measurement.
    • Employed portable, nonobtrusive blood withdrawal pumps for sample collection.
    • Studied ten young physicians undergoing the stress of public speaking.

    Main Results:

    • Observed significant differences in plasma epinephrine levels between the initial and middle phases of public speaking.
    • Highlighted the critical impact of sampling timing on catecholamine level interpretation.
    • Demonstrated that stress-induced catecholamine fluctuations can influence study outcomes.

    Conclusions:

    • Accurate assessment of physiological stress responses requires careful consideration of catecholamine half-life and sampling timing.
    • Public speaking elicits dynamic changes in plasma epinephrine, affecting baseline comparisons.
    • Methodological rigor in blood sampling is crucial for valid stress research.

    Related Experiment Videos