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Aging and visual information processing: potential implications for everyday seeing.

D A Walsh1

  • 1Department of Psychology, University of Southern California, Los Angeles 90089.

Journal of the American Optometric Association
|April 1, 1988
PubMed
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Older adults generally exhibit slower visual processing speeds compared to younger adults. However, age-related declines in visual selective attention pose the most significant risk to everyday visual tasks.

Area of Science:

  • Psychology
  • Neuroscience
  • Gerontology

Background:

  • Aging impacts cognitive functions, including visual perception.
  • Information processing theories offer a framework for understanding age-related changes.
  • Previous research indicates slower processing speeds in older adults.

Purpose of the Study:

  • To review research on aging and visual perception through the lens of information processing.
  • To identify specific stages of perceptual processing affected by aging.
  • To assess the implications of these changes for everyday visual activities.

Main Methods:

  • Literature review of studies on aging, visual perception, and information processing.
  • Analysis of group-based processing speed differences between age cohorts.

Related Experiment Videos

  • Examination of within-individual processing speed correlations across perceptual stages.

    • Main Results:

    • Older adults, on average, demonstrate slower processing speeds across most perceptual stages compared to younger adults.
    • Little evidence suggests a general slowing of the nervous system within individual older adults.
    • Age-related decrements in visual selective attention present the most substantial threat to daily visual functioning.

    Conclusions:

    • While overall processing speed may slow with age, individual variability exists.
    • Age-related declines in visual selective attention are critical for everyday visual performance.
    • Targeting interventions for selective attention may mitigate functional impairments in older adults.