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

Handedness and intelligence.

R A Hicks, R Beveridge

    Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
    |June 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Left-handed individuals scored lower than right-handed individuals on fluid intelligence (Gf) tasks. This finding supports previous research and challenges the notion of no handedness-related cognitive differences.

    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

    Diagnostic Performance of Ultrafast Brain MRI for Evaluation of Abusive Head Trauma.

    AJNR. American journal of neuroradiology·2017
    Same author

    Utility of a precursor-to-product ratio in the evaluation of presumptive positives in newborn screening of congenital adrenal hyperplasia.

    Journal of perinatology : official journal of the California Perinatal Association·2016
    Same author

    3D graphics, virtual reality, and motion-onset visual evoked potentials in neurogaming.

    Progress in brain research·2016
    Same author

    High oleic/stearic fatty-acid desaturation index in cord plasma from infants of mothers with gestational diabetes.

    Journal of perinatology : official journal of the California Perinatal Association·2014
    Same author

    Bio-monitoring for uranium using stream-side terrestrial plants and macrophytes.

    Journal of environmental monitoring : JEM·2012
    Same author

    Three palonosetron regimens to prevent CINV in myeloma patients receiving multiple-day high-dose melphalan and hematopoietic stem cell transplantation.

    Annals of oncology : official journal of the European Society for Medical Oncology·2010
    Same journal

    The cognitive construction of moral scenes: Associations of visuospatial ability and impulsivity with perspective and vividness in mental simulation.

    Cortex; a journal devoted to the study of the nervous system and behavior·2026
    Same journal

    Theta band activity during event-file retrieval is influenced by stimulus salience in the preceding action episode.

    Cortex; a journal devoted to the study of the nervous system and behavior·2026
    Same journal

    Language recovery in Hungarian speakers with aphasia: Roles of phonology and intraindividual variability.

    Cortex; a journal devoted to the study of the nervous system and behavior·2026
    Same journal

    Neural and behavioral dissociations of self-focused and other-focused incentives in trust.

    Cortex; a journal devoted to the study of the nervous system and behavior·2026
    Same journal

    A multiverse analysis of the logical memory test and plasma biomarkers of Alzheimer's disease.

    Cortex; a journal devoted to the study of the nervous system and behavior·2026
    Same journal

    Reading and writing impairments in Spanish-speaking individuals with primary progressive aphasia: A single-case series study.

    Cortex; a journal devoted to the study of the nervous system and behavior·2026
    See all related articles

    Area of Science:

    • Cognitive Psychology
    • Neuroscience
    • Human Abilities

    Background:

    • Handedness, particularly the distinction between right-handed and left-handed individuals, is a well-documented human trait.
    • Previous research has yielded mixed results regarding cognitive differences between handedness groups.
    • The specific relationship between handedness and fluid intelligence (Gf) requires further investigation.

    Purpose of the Study:

    • To investigate potential differences in fluid and crystallized intelligence between right-handed and left-handed subjects.
    • To test the hypothesis that left-handers may perform differently on specific cognitive tasks compared to right-handers.

    Main Methods:

    • A cohort of 37 right-handed and 30 left-handed subjects was recruited.
    • Participants completed standardized tests assessing fluid intelligence (Gf) and crystallized intelligence.

    Related Experiment Videos

  • Performance scores were statistically compared between the two handedness groups.

    • Main Results:

    • Left-handed subjects demonstrated significantly lower scores on the fluid intelligence (Gf) task compared to right-handed subjects.
    • No significant differences were noted for crystallized intelligence, although data was not explicitly detailed.
    • The observed difference in Gf performance aligns with the study's initial hypothesis.

    Conclusions:

    • The findings suggest a potential disadvantage for left-handers on fluid intelligence tasks.
    • These results corroborate evidence from three prior studies, strengthening the case for handedness-related cognitive variations.
    • The study challenges the prevailing view that no significant ability differences exist based on handedness.