June 2004
Volume 4, Issue 8
Vision Sciences Society Annual Meeting Abstract  |   August 2004
Aging and the perception of depth and 3-D shape from motion parallax
Author Affiliations
  • Farley Norman
    Western Kentucky University, USA
  • Anna M. Clayton
    Western Kentucky University, USA
  • Sarah R. Thompson
    Skidmore College, USA
  • Cassandra F. Shular
    Mercer University, USA
Journal of Vision August 2004, Vol.4, 477. doi:https://doi.org/10.1167/4.8.477
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      Farley Norman, Anna M. Clayton, Sarah R. Thompson, Cassandra F. Shular; Aging and the perception of depth and 3-D shape from motion parallax. Journal of Vision 2004;4(8):477. doi: https://doi.org/10.1167/4.8.477.

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      © ARVO (1962-2015); The Authors (2016-present)

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The ability of younger and older observers to perceive 3-D shape and depth from patterns of motion parallax was investigated in two experiments. In Experiment 1, the observers discriminated between differently curved 3-dimensional (3-D) surfaces in the presence of varying amounts of “noise”. In Experiment 2, the 3-D shape of the surfaces was held constant and the amount of simulated front-to-back depth was varied; the observers estimated the amount of depth they perceived. The results showed that the effects of age were strongly task dependent. Overall, the younger observers' recognition accuracies in Experiment 1 were almost 60 percent higher than those of the older observers. In contrast, there was no age effect in Experiment 2: the younger and older observers' perceived the same amounts of depth. Older observers can effectively perceive variations in depth from patterns of motion parallax, but their ability to discriminate 3-D shape is significantly compromised.

Norman, F., Clayton, A. M., Thompson, S. R., Shular, C. F.(2004). Aging and the perception of depth and 3-D shape from motion parallax [Abstract]. Journal of Vision, 4( 8): 477, 477a, http://journalofvision.org/4/8/477/, doi:10.1167/4.8.477. [CrossRef]

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