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

Tachistoscopic visual perception after closed head injury

H J Hannay, H S Levin, M Kay

    Journal of Clinical Neuropsychology
    |July 1, 1982
    PubMed
    Summary

    Closed head injury impairs visual perception, with longer recognition times for trigrams in all injury severities compared to controls. Visual field recognition was also affected in moderately and severely injured patients.

    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

    The perceptions and experiences of final year undergraduate diagnostic imaging students when facilitating peer-assisted learning within the simulated learning environment.

    Radiography (London, England : 1995)·2024
    Same author

    Postgraduate Medical Ultrasound learner and practice educator perceptions and experiences of academy model clinical ultrasound training in Scotland.

    Radiography (London, England : 1995)·2024
    Same author

    Serum concentration trends and apparent half-lives of per- and polyfluoroalkyl substances (PFAS) in Australian firefighters.

    International journal of hygiene and environmental health·2022
    Same author

    2021 Canadian Surgery Forum: Virtual, online Sept. 21-24, 2021.

    Canadian journal of surgery. Journal canadien de chirurgie·2022
    Same author

    The evolution of white matter microstructural changes after mild traumatic brain injury: A longitudinal DTI and NODDI study.

    Science advances·2020
    Same author

    Can digital breast tomosynthesis perform better than standard digital mammography work-up in breast cancer assessment clinic?

    European radiology·2018

    Area of Science:

    • Neuroscience
    • Ophthalmology
    • Psychology

    Background:

    • Closed head injury (CHI) can lead to cognitive deficits, including visual processing impairments.
    • Understanding the specific impact of CHI on visual perception is crucial for rehabilitation.

    Purpose of the Study:

    • To investigate tachistoscopic visual perception in patients with closed head injury.
    • To assess visual recognition thresholds and visual field laterality in CHI patients.

    Main Methods:

    • Tachistoscopic presentation of trigrams to determine recognition duration.
    • Visual field laterality task administered to 42 CHI patients and 10 controls.
    • Analysis of thresholds based on injury severity.

    Main Results:

    • Visual recognition thresholds were significantly longer in all CHI patient groups (mild, moderate, severe) compared to normal controls.
    • No significant right visual field superiority for trigram recognition was observed across groups.
    • Impaired trigram recognition in either visual field was noted for moderately and severely injured patients.

    Conclusions:

    • Closed head injury significantly impacts visual perception, prolonging recognition times.
    • Visual processing deficits in CHI patients extend to visual field recognition, particularly in moderate to severe cases.
    • Findings suggest widespread visual processing disruption following closed head injury.

    Related Experiment Videos