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

Age differences in evoked potential correlates of a memory scanning process.

G R Marsh

    Experimental Aging Research
    |September 1, 1975
    PubMed
    Summary

    Older adults exhibit slower memory scanning, but their brain

    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

    Sleep in peri-menopausal and post-menopausal women.

    Sleep medicine reviews·2004
    Same author

    Sleep in the laboratory and sleep at home II: comparisons of middle-aged insomnia sufferers and normal sleepers.

    Sleep·2001
    Same author

    Does cognitive-behavioral insomnia therapy alter dysfunctional beliefs about sleep?

    Sleep·2001
    Same author

    Cognitive behavioral therapy for treatment of chronic primary insomnia: a randomized controlled trial.

    JAMA·2001
    Same author

    Slow-wave sleep and waking cognitive performance II: Findings among middle-aged adults with and without insomnia complaints.

    Physiology & behavior·2000
    Same author

    Insomnia and the eye of the beholder: are there clinical markers of objective sleep disturbances among adults with and without insomnia complaints?

    Journal of consulting and clinical psychology·2000

    Area of Science:

    • Cognitive Neuroscience
    • Psychology
    • Neuroscience

    Background:

    • Aging is associated with cognitive changes, including memory processing.
    • Response times (RT) in cognitive tasks can reveal differences between age groups.
    • Event-related potentials (ERPs), such as the late positive component (LPC), offer insights into neural processing during cognitive tasks.

    Purpose of the Study:

    • To investigate age-related differences in memory-scanning task performance.
    • To examine the neural correlates of memory scanning using event-related potentials (ERPs).
    • To explore how the late positive component (LPC) relates to response times (RT) and age.

    Main Methods:

    • Comparison of memory-scanning task performance between elderly and young, mature subjects.
    • Electrophysiological recordings of average evoked potentials, focusing on the late positive component (LPC).
    • Analysis of LPC latency and amplitude in relation to response times (RT) and hemispheric differences.

    Main Results:

    • Elderly subjects exhibited significantly longer response times (RT) compared to young subjects.
    • Late positive component (LPC) latency increased with longer RT in both age groups.
    • LPC amplitudes decreased with increasing RT, with greater hemispheric differences observed in younger individuals.

    Conclusions:

    • While elderly subjects show slower memory scanning, the late positive component (LPC) reflects processing demands similarly across age groups.
    • The relationship between LPC characteristics (latency, amplitude) and response time (RT) is consistent across the lifespan.
    • Age-related differences in hemispheric asymmetry of LPC are evident, suggesting altered neural processing in older adults.

    Related Experiment Videos