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Motion perception as a model for perceptual ageing

Billino, J. & Pilz, K. S., Apr-2019, In : JOURNAL OF VISION. 19, 4, 28 p.

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Research on functional changes across the adult lifespan has been dominated by studies related to cognitive processes. However, it has become evident that a more comprehensive approach to behavioral aging is needed. In particular, our understanding of age-related perceptual changes is limited. Visual motion perception is one of the most studied areas in perceptual aging and therefore, provides an excellent domain on the basis of which we can investigate the complexity of the aging process. We review the existing literature on how aging affects motion perception, including different processing stages, and consider links to cognitive and motor changes. We address the heterogeneity of results and emphasize the role of individual differences. Findings on age-related changes in motion perception ultimately illustrate the complexity of functional dynamics that can contribute to decline as well as stability during healthy aging. We thus propose that motion perception offers a conceptual framework for perceptual aging, encouraging a deliberate consideration of functional limits and resources emerging across the lifespan.

Original languageEnglish
Number of pages28
JournalJOURNAL OF VISION
Volume19
Issue number4
Publication statusPublished - Apr-2019

    Keywords

  • AGE-RELATED-CHANGES, PRIMARY VISUAL-CORTEX, CENTER-SURROUND ANTAGONISM, OPTIC FLOW STIMULI, BIOLOGICAL-MOTION, 3-D SHAPE, SMOOTH-PURSUIT, SELF-MOTION, AREA MT, DIRECTION DISCRIMINATION

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