Aging and pattern visual evoked potentials

Shozo Tobimatsu

    Research output: Contribution to journalArticlepeer-review

    28 Citations (Scopus)


    Visual abilities decline during senescence. Age-related declines cannot be attributed entirely to changes in optical factors (senile miosis and opacification of the ocular media) and must therefore be caused by changes in the visual pathways. Because pattern visual evoked potentials (VEPs) provide information regarding the sensory function and integrity of the visual system, recent research on age-related changes in VEPs is reviewed. The results of this review show that stimulus parameters of VEPs (luminance, contrast, spatial and temporal frequencies) modify the age-related changes in VEPs. The visual system consists of multiple, parallel channels which process different information. Therefore, it is hypothesized that aging may affect the specific functional subdivisions in the visual pathways differentially.

    Original languageEnglish
    Pages (from-to)192-197
    Number of pages6
    JournalOptometry and Vision Science
    Issue number3
    Publication statusPublished - Mar 1995

    All Science Journal Classification (ASJC) codes

    • Ophthalmology
    • Optometry


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