Jove
Visualize
Contact Us

Related Experiment Videos

Alcohol: its effect on handwriting.

N G Galbraith

    Journal of Forensic Sciences
    |April 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    This study found that handwriting changes after alcohol consumption are not a reliable indicator of blood alcohol concentration. Researchers concluded that handwriting analysis cannot accurately measure a person's level of intoxication.

    Related Concept Videos

    You might also read

    Related Articles

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

    Sort by
    Same journal

    Correction to "The impact of institutional authority on forensic evidence evaluation by criminal justice professionals".

    Journal of forensic sciences·2026
    Same journal

    Estimation of postmortem submersion interval based on microbial community composition in human remains recovered from aquatic environments.

    Journal of forensic sciences·2026
    Same journal

    Prevalence of novel psychoactive substances in selected clinical urine specimens submitted for drug monitoring.

    Journal of forensic sciences·2026
    Same journal

    GenoEye: A machine learning-based framework for the prediction of intermediate eye color phenotypes.

    Journal of forensic sciences·2026
    Same journal

    Sharp force trauma analysis without animal bones: A proposal for sustainable and ethical bone proxies.

    Journal of forensic sciences·2026
    Same journal

    Absolute dating of modern paper using <sup>14</sup>C bomb peak data of the paper fibers.

    Journal of forensic sciences·2026
    See all related articles
    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

    Area of Science:

    • Forensic science
    • Psychology
    • Toxicology

    Background:

    • Alcohol consumption can affect cognitive and motor functions.
    • Previous research has explored various physiological markers of alcohol intoxication.
    • The potential of handwriting analysis as a biomarker for alcohol impairment remains largely uninvestigated.

    Purpose of the Study:

    • To investigate whether alcohol consumption leads to measurable changes in handwriting.
    • To determine if handwriting deterioration can serve as an accurate indicator of blood alcohol concentration (BAC).

    Main Methods:

    • Collected handwriting samples from 35 participants before and after alcohol consumption.
    • Quantitatively assessed handwriting characteristics for signs of deterioration.
    • Compared handwriting changes with established blood alcohol concentration levels.

    Related Experiment Videos

    Main Results:

    • Observed deterioration in handwriting quality following alcohol intake.
    • Found no consistent correlation between the degree of handwriting impairment and blood alcohol concentration.
    • Handwriting analysis proved insufficient for accurately quantifying alcohol levels.

    Conclusions:

    • Handwriting analysis is not a viable method for accurately measuring blood alcohol concentration.
    • The study does not support the use of handwriting as a forensic tool for assessing alcohol intoxication.
    • Further research may be needed to explore subtle handwriting changes or other factors influencing motor control after drinking.