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

Hemispheric differences in split-brain monkeys viewing and responding to videotape recordings.

C K Ifune, B A Vermeire, C R Hamilton

    Behavioral and Neural Biology
    |July 1, 1984
    PubMed
    Summary

    The right hemisphere of split-brain monkeys showed more facial expressions and longer viewing times when observing videos compared to the left hemisphere, indicating hemispheric differences in visual processing.

    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 cecal oxytetracycline infusion, and dietary avidin and biotin supplementation on the biotin status of nongravid gilts.

    Journal of animal science·2012
    Same author

    Unusual types of hyperthyroidism.

    Medicine·2010
    Same author

    Interactive effects of dietary fat source and slaughter weight in growing-finishing swine: II. Fatty acid composition of subcutaneous fat.

    Journal of animal science·2008
    Same author

    Interactive effects of dietary fat source and slaughter weight in growing-finishing swine: I. Growth performance and longissimus muscle fatty acid composition.

    Journal of animal science·2008
    Same author

    Interactive effects of dietary fat source and slaughter weight in growing-finishing swine: III. Carcass and fatty acid compositions.

    Journal of animal science·2008
    Same author

    Effects of facial identity, facial expression, and subject's sex on laterality in monkeys.

    Laterality·2004

    Area of Science:

    • Neuroscience
    • Primate Behavior
    • Cognitive Psychology

    Background:

    • Split-brain research investigates interhemispheric communication and functional specialization.
    • Previous studies suggest potential lateralization of visual processing in non-human primates.

    Purpose of the Study:

    • To examine hemispheric differences in visual perception and response in split-brain monkeys.
    • To determine if the right hemisphere exhibits distinct viewing behaviors compared to the left.

    Main Methods:

    • Eight split-brain monkeys were utilized in the study.
    • Monkeys viewed colored videotape recordings featuring monkeys, humans, animals, and scenery.
    • Hemispheric viewing and response data were systematically collected and analyzed.

    Related Experiment Videos

    Main Results:

    • A significantly greater number of facial expressions were elicited from the right hemisphere compared to the left.
    • Monkeys demonstrated a tendency to maintain longer viewing durations with their right hemispheres.
    • These findings suggest lateralized processing of visual stimuli.

    Conclusions:

    • The right hemisphere in split-brain monkeys displays enhanced responsiveness and engagement with visual stimuli.
    • Hemispheric specialization for visual processing and emotional expression is suggested in primates.
    • Further research is warranted to elucidate the neural mechanisms underlying these observed differences.